Showing structure for CN1C(N)=C(NC(=O)NCCN[Si](C)(C)C)C=[N+]1CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(=NOC(C)(C)C(=O)[O-])C3=NSC(N[Si](C)(C)C)=N3)C2SC1