Using COC(=O)C(CC(=O)OC(C)(C)C)c1ccc(OCc2ccccc2)cc1 to produce CC(C)(C)OC(=O)CC(C(=O)O)c1ccc(OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.