Using O=C(Nc1ccc(Oc2cccc3c2CCC3=O)nc1)c1ccc(Cl)c(Cl)c1, [NH3+]O to produce O=C(Nc1ccc(Oc2cccc3c2CCC3=NO)nc1)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.