Using O=S(=O)(Cl)c1cnc(Cl)c(Br)c1, Nc1ccccc1Oc1ccc(Cl)cc1Cl to produce O=S(=O)(Nc1ccccc1Oc1ccc(Cl)cc1Cl)c1cnc(Cl)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.