Using COC(=O)C(=Cc1ccc(OC)cc1)C(=O)OC, Cc1c([N+](=O)[O-])cccc1C(F)(F)F to produce COC(=O)C(C(=O)OC)C(Cc1c([N+](=O)[O-])cccc1C(F)(F)F)c1ccc(OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.