Using COc1ccc(C(=O)Nc2ccccc2N2C(=O)c3ccc([N+](=O)[O-])cc3C2=O)cc1 to produce COc1ccc(C(=O)Nc2ccccc2N2C(=O)c3ccc(N)cc3C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.