Using NCc1ccccc1, COc1ccc(CN(c2ncns2)S(=O)(=O)c2ccc3c(Br)cccc3c2)c(OC)c1 to produce O=S(=O)(Nc1ncns1)c1ccc2c(NCc3ccccc3)cccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.