Using COc1ccccc1Nc1ccc2c(c1)OCc1cc([N+](=O)[O-])ccc1C2=O to produce COc1ccccc1Nc1ccc2c(c1)OCc1cc(N)ccc1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.