Using COc1ccc(CNc2ncns2)c(OC)c1, O=c1[nH]c2cc(Br)c(S(=O)(=O)Cl)cc2o1 to produce COc1ccc(CN(c2ncns2)S(=O)(=O)c2cc3oc(=O)[nH]c3cc2Br)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.