Showing structure for C[Si](C)(C)NC1=NC(=O)C2=C([NH]1)N(C1O[C@H](CO[Si](C)(C)C)[C@@H](O)[C@H]1O)C=C2CN([C@H]1C=C[C@H](O[Si](C)(C)C)[C@@H]1O)[Si](C)(C)C