Using CCO, N=C(NO)n1c(-c2cccc(-c3ccccc3)c2O)cc2ccccc21 to produce CC(=O)ONC(=N)n1c(-c2cccc(-c3ccccc3)c2O)cc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.