Using COC(=O)c1ccc(OC(=O)[C@H]2CC[C@@H](NC(=O)OC(C)(C)C)CC2)cc1OC to produce COc1cc(OC(=O)[C@H]2CC[C@@H](NC(=O)OC(C)(C)C)CC2)ccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.