Using CCOC(=O)COc1c(C)cc(C(OC)(C(F)(F)F)C(F)(F)F)cc1C to produce COC(c1cc(C)c(OCC(=O)O)c(C)c1)(C(F)(F)F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.