Using O=C1NN=C(c2ccccc2)CC1C1CCN(C(=O)OCc2ccccc2)CC1 to produce O=C(OCc1ccccc1)N1CCC(c2cc(-c3ccccc3)n[nH]c2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.