Showing structure for CN1C(N[Si](C)(C)C)=C(N(C(=O)N(CCN)[Si](C)(C)C)[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)=N3)C2SC1