Using CCOCC, CO[C@H]1C[C@@H](C(=O)O)N(C(=O)OCc2ccccc2)C1 to produce COC(=O)[C@@H]1C[C@H](OC)CN1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.