Using CS(=O)(=O)c1cc(C(=O)O)c(N)cc1Cl, BrCc1ccccc1 to produce CS(=O)(=O)c1cc(C(=O)O)c(NCc2ccccc2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.