Using COC(=O)c1ccc(F)c(COc2ccc(-c3cc(F)c(F)cc3OC)cc2)c1 to produce COc1cc(F)c(F)cc1-c1ccc(OCc2cc(C(=O)O)ccc2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.