Using COC(=O)c1ccc(NC(=O)c2ccc3c(c2)N(S(=O)(=O)c2cccc(F)c2)CCC3)cc1Cl to produce O=C(Nc1ccc(C(=O)O)c(Cl)c1)c1ccc2c(c1)N(S(=O)(=O)c1cccc(F)c1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.