Using OC[C@@H]1CCCN1, O=C(O)CNC(=O)OCc1ccccc1 to produce O=C[C@@H]1CCCN1C(=O)CNC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.