Using COC(=O)c1c(NS(=O)(=O)c2ccc(F)cc2Br)ccc2c1OCc1occc1-2, COC(=O)Cl to produce COC(=O)c1c(N(C(=O)OC)S(=O)(=O)c2ccc(F)cc2Br)ccc2c1OCc1occc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.