Using O=C([O-])[O-], COC[C@H](NC(=O)[C@@H](N)COC)C(=O)OCc1ccccc1 to produce COC[C@H](NCc1oc(=O)oc1C)C(=O)N[C@@H](COC)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.