Showing structure for CN1C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=NC2=C(C1=O)N(C)C=[N+]2[C@@H]1O[C@H](CO[Si](C)(C)C(C)(C)C)[C@@H](O)[C@H]1[O-]