Using COc1ccc(C(=O)C(Cc2ccccc2)C(=O)c2ccc(OC)cc2)cc1, NN to produce COc1ccc(-c2n[nH]c(-c3ccc(OC)cc3)c2Cc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.