Using O=CCc1cc(Cl)c([N+](=O)[O-])cc1Cl, CC(C)(C)OC(=O)N1CCNCC1 to produce CC(C)(C)OC(=O)N1CCN(CCc2cc(Cl)c([N+](=O)[O-])cc2Cl)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.