Using CCOc1ccc(C(=O)Nc2cc(F)c(C(=O)OCc3ccccc3)c(F)c2)cc1C(F)(F)F to produce CCOc1ccc(C(=O)Nc2cc(F)c(C(=O)O)c(F)c2)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.