Using CS(=O)(=O)N1CC2(CCNCC2)c2ccccc21, O=C(NC1Cc2ccccc2C1)Oc1ccccc1 to produce CS(=O)(=O)N1CC2(CCN(C(=O)NC3Cc4ccccc4C3)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.