Using O=C(O)[C@@H]1C[C@@H](O)CN1C(=O)OCc1ccccc1 to produce O=C1C[C@@H](C(=O)O)N(C(=O)OCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.