Using O=[N+]([O-])c1cccc(S(=O)(=O)NCCCCCNc2nc(Cl)ncc2Br)c1 to produce Nc1cccc(S(=O)(=O)NCCCCCNc2nc(Cl)ncc2Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.