Showing structure for (3s,10s)-9-thia-11,15,20-triazahexacyclo[12.6.1.1³,¹⁰.0²,¹².0³,⁸.0¹⁷,²¹]docosa-1(20),2(12),4,7,14(21),16-hexaene-6,13-dione