Using CNCCN1C(=O)c2ccccc2C1=O, O=Cc1ccc2ccccc2n1 to produce CN(CCN1C(=O)c2ccccc2C1=O)Cc1ccc2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.