Using CC(CCOS(C)(=O)=O)=C(F)F, CCCCOc1ncc(C(=O)O)c(C)n1 to produce CCCCOc1ncc(C(=O)OCCC(C)=C(F)F)c(C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.