Using COC(=O)[C@@H](Cc1ccc(Cl)c(F)c1)C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)[C@H](Cc1ccc(Cl)c(F)c1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.