Showing structure for CC(C)(C)[Si](C)(C)OC(=O)[C@H](N)CCC(=O)N[C@H](CCC(=O)N[C@H](CCC(=O)N[C@H](CCC=O)C(=O)O)C(=O)O)C(=O)O[Si](C)(C)C(C)(C)C