Using COC(=O)[C@@H]1CCCN1C(=O)CN, O=C1Cc2ccccc2C1 to produce COC(=O)[C@@H]1CCCN1C(=O)CNC1Cc2ccccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.