Using CCOC(=O)[C@H]1CC[C@@H](NC(=O)C2(CC(CC(=O)OCc3ccccc3)C(=O)OC(C)(C)C)CCCC2)CC1 to produce CCOC(=O)[C@H]1CC[C@@H](NC(=O)C2(CC(CC(=O)O)C(=O)OC(C)(C)C)CCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.