Using NCC1CCNCC1, CC(CC1C2CCC(C2)C1(C)C)C(=O)C(C)CC1C2CCC(C2)C1(C)C to produce CC(C)C(NC(C1CCNCC1)C1C2CCC(C2)C1(C)C)C(C)CC1C2CCC(C2)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.