Using O=C(c1ccc([N+](=O)[O-])cc1Cl)N1CCCC(O)c2sccc21 to produce O=C(c1ccc([N+](=O)[O-])cc1Cl)N1CCC=Cc2sccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.