Using O=[N+]([O-])c1ccccc1S(=O)(=O)N(CCCn1c2ccc(Br)cc2c2cc(Br)ccc21)c1ccccc1 to produce Brc1ccc2c(c1)c1cc(Br)ccc1n2CCCNc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.