Using O=C(c1ccc([N+](=O)[O-])cc1)N1CCN(CCc2ccc(Cl)cc2)CC1 to produce Nc1ccc(C(=O)N2CCN(CCc3ccc(Cl)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.