Using COc1cc(OC)nc(S)n1, Cc1nc([N+](=O)[O-])c(Br)n1C to produce COc1cc(OC)nc(Sc2c([N+](=O)[O-])nc(C)n2C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.