Using CCOC(=O)C(C)(Cc1c[nH]c2ccccc12)C(=O)OCC to produce CCOC(=O)C(C)(Cc1c[nH]c2ccccc12)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.