Using COC(=O)CC1CCC(c2ccc(-c3ncc([N+](=O)[O-])cc3OC)cc2)CC1 to produce COC(=O)CC1CCC(c2ccc(-c3ncc(N)cc3OC)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.