Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Activate only if you have no Synchro Monsters on your side of the field or in your Graveyard. Pay 1000 Life Points and select 1 face-up Synchro Monster your opponent controls. Take control of the selected monster until the End Phase of your turn.
--シンクロ・コントロール
--Synchro Control
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_CONTROL)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER)
	e1:SetCondition(s.condition)
	e1:SetCost(Cost.PayLP(1000))
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return not Duel.IsExistingMatchingCard(Card.IsType,tp,LOCATION_MZONE|LOCATION_GRAVE,0,1,nil,TYPE_SYNCHRO)
end
function s.filter(c)
	return c:IsFaceup() and c:IsType(TYPE_SYNCHRO) and c:IsControlerCanBeChanged()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONTROL)
	local g=Duel.SelectTarget(tp,s.filter,tp,0,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_CONTROL,g,1,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	local ct=1
	if Duel.IsTurnPlayer(1-tp) then ct=2 end
	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
		Duel.GetControl(tc,tp,PHASE_END,ct)
	end
end