Using O=C(OCC1c2ccccc2-c2ccccc21)ON1C(=O)CCC1=O, COC(=O)[C@@H]1C[C@@H](O)CN1 to produce COC(=O)[C@@H]1CC(O)CN1C(=O)OCC1c2ccccc2-c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.