Showing structure for C[Si](C)(C)OC(=O)C(CC[Se]C[C@H]1O[C@H](N2C=NC3=C(N)N=CN=C32)[C@H](O[Si](C)(C)C)[C@@H]1O[Si](C)(C)C)N([Si](C)(C)C)[Si](C)(C)C