Using O=C(O)C1CC1, CC12CCC(C1)C(C)(C)C2NC(=O)c1nc(-c2ccccc2)n2c1CNCC2 to produce CC12CCC(C1)C(C)(C)C2NC(=O)c1nc(-c2ccccc2)n2c1CN(C(=O)C1CC1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.