Using ClC(Cl)(Cl)Cl, O=c1n(-c2cc(OCc3ccccc3)c(Cl)cc2F)c(=O)n2n1CCC(O)C2 to produce O=c1n(-c2cc(OCc3ccccc3)c(Cl)cc2F)c(=O)n2n1CCC(Cl)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.