Using CNC(=O)[C@H]1Cc2c([nH]c3ccccc23)CN1C(=O)c1occc1C1OCCO1 to produce CNC(=O)[C@H]1Cc2c([nH]c3ccccc23)CN1C(=O)c1occc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.