Using O=C1CCNCC1, CC1(C)CCC(c2ccc(Cl)cc2)=C(C=O)C1 to produce CC1(C)CCC(c2ccc(Cl)cc2)=C(CN2CCC(=O)CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.