Using COC(=O)Cn1c(C)c(Cc2cccnc2S(=O)(=O)c2ccccc2Cl)c2cc(F)ccc21 to produce Cc1c(Cc2cccnc2S(=O)(=O)c2ccccc2Cl)c2cc(F)ccc2n1CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.