S1c2cc(C)ccc2N(C)=C1c3ccc(cc3)N(C)C.CN(C)c4ccc(cc4)C5=N(C)c6ccc(C)cc6S5.CN(C)c7ccc(cc7)C8=N(C)c9ccc(C)cc9S8.CN(C)c%10ccc(cc%10)C%11=N(C)c%12ccc(C)cc%12S%11