Showing structure for C[Si](C)(C)OC(=O)[C@H](CCCNC(=N)N)N(C(=O)[C@H](CCCCN)N(C(=O)[C@@H]1CCCN1C(=O)[C@@H]1CCCN1[Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C