Using Clc1nccnc1Cl, COC(=O)c1cc([N+](=O)[O-])c(S)cc1OC to produce COC(=O)c1cc([N+](=O)[O-])c(Sc2nccnc2Cl)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.