Using O=C(NC1CN(C(c2ccccc2)c2ccccc2)C1)[C@@H]1CCCCN1c1nc2ccccc2o1 to produce CCN1CC(NC(=O)[C@@H]2CCCCN2c2nc3ccccc3o2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.