Using O=S(=O)(Cl)c1ccccc1Cl, Brc1n[nH]c2ccncc12 to produce O=S(=O)(c1ccccc1Cl)n1nc(Br)c2cnccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.