Using CS(=O)(=O)Nc1ccc(C(=O)NCC2CN(c3ccccc3)CCN2Cc2ccccc2)cc1 to produce CS(=O)(=O)Nc1ccc(C(=O)NCC2CN(c3ccccc3)CCN2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.