Using O=C1CCNC(=O)C1, c1ccc(-c2cc3ccccn3n2)cc1 to produce O=C1C=C(c2c(-c3ccccc3)nn3ccccc23)CCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.