Using COC(=O)c1ccc(CC2(C(=O)OCc3ccccc3)CCN(C(=O)OC(C)(C)C)CC2)cc1 to produce COC(=O)c1ccc(CC2(C(=O)O)CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.