Using CN(C)C1(c2ccccc2)CCC(CN)CC1, O=C(O)CCCCCc1c[nH]c2ccccc12 to produce CN(C)C1(c2ccccc2)CCC(CNC(=O)CCCCCc2c[nH]c3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.