Using CCc1cc(SCC=C(c2ccc(F)cc2)c2ccc(F)cc2)ccc1OCC(=O)OC to produce CCc1cc(SCC=C(c2ccc(F)cc2)c2ccc(F)cc2)ccc1OCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.