Using C[N+](=O)[O-], CCCCCCCCCCCCOc1ccc(C=O)cc1OC to produce CCCCCCCCCCCCOc1ccc(C=C[N+](=O)[O-])cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.