Using O=CC1=CCCCC1, NCC(=O)N1CCc2ccccc2C1C1CCCCC1 to produce O=C(CNCC1=CCCCC1)N1CCc2ccccc2C1C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.