Using CCOC(=O)C1(c2ccc(OCC)cc2)CC(F)(F)C1(F)F to produce CCOc1ccc(C2(C(=O)O)CC(F)(F)C2(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.