Using CCC(C1OC(=O)c2ccccc21)[N+](=O)[O-], O=C([O-])[O-] to produce CCC(=Cc1ccccc1C(=O)OC)[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.