Using O=c1[nH]nc(-c2ccc(OCCCC(F)(F)F)cc2)o1, CSCCCl to produce CSCCn1nc(-c2ccc(OCCCC(F)(F)F)cc2)oc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.