Using O=C(O[C@H]1CCN(CCc2ccc(Cl)cc2)C1)c1ccc([N+](=O)[O-])cc1 to produce O[C@H]1CCN(CCc2ccc(Cl)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.