Using O=C1C(c2c(O)[nH]c3ccccc23)=Nc2ccccc21, [NH3+]O to produce O=Nc1c(-c2c(O)[nH]c3ccccc23)[nH]c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.