Using O=C(O)c1cc(Cl)cc(Cl)c1[N+](=O)[O-], CCCCCCCCCCCCS to produce CCCCCCCCCCCCSc1cc(SCCCCCCCCCCCC)c([N+](=O)[O-])c(C(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.