Using COc1ccc(Cl)cc1C(=O)c1cc(C(F)(F)F)ccc1NC(=O)OC(C)(C)C to produce Nc1ccc(C(F)(F)F)cc1C(=O)c1cc(Cl)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.