Using O=C1c2ccccc2C(=O)N1CCCCN1CCc2ccccc2C(c2ccccc2)C1 to produce NCCCCN1CCc2ccccc2C(c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.