Showing structure for C[C@H](O[Si](C)(C)C(C)(C)C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CNC2=NC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)=NC(=O)[C@]2(O)N1