Using O, O=C[C@@H]1[C@@H](OCc2ccccc2)[C@H](O)CN1C(=O)OCc1ccccc1 to produce O=C(O)[C@@H]1[C@@H](Cc2ccccc2)[C@@H](O)CN1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.