Using COc1cccc(C(=O)c2ccc(C(C)C)cc2)c1[N+](=O)[O-] to produce COc1cccc(C(=O)c2ccc(C(C)C)cc2)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.