Using CN(C)C=O, Cc1c([N+](=O)[O-])ccc2cc[nH]c12 to produce Cc1c([N+](=O)[O-])ccc2c(C=O)c[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.