Using Clc1ncnc2[nH]nc(Br)c12, O=S(=O)(Cl)c1ccccc1 to produce O=S(=O)(c1ccccc1)n1nc(Br)c2c(Cl)ncnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.