Using COc1ccccc1CCN1C(=O)C2CCCC(C1=O)N2C(=O)OCc1ccccc1 to produce COc1ccccc1CCN1C(=O)C2CCCC(C1O)N2C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.