Using CC(=O)OC(C)=O, COc1cc(C(=O)O)ccc1Cc1c[nH]c2ccc([N+](=O)[O-])cc12 to produce COc1cc(C(=O)O)ccc1Cc1cn(C(C)=O)c2ccc([N+](=O)[O-])cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.