Using CS(=O)(=O)c1cc(C(=O)O)cc(N)c1Cl, BrCc1ccccc1 to produce CS(=O)(=O)c1cc(C(=O)O)cc(NCc2ccccc2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.