Using CS(C)(=O)=O, O=Cc1cc2[nH]cnc2c(F)c1Nc1ccc(Br)cc1Cl to produce CS(=O)(=O)CC(O)c1cc2[nH]cnc2c(F)c1Nc1ccc(Br)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.