Showing structure for C[Si](C)(C)OC(=O)CC(NC(=O)CN(C(=O)C(N)CCCN=C(N)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)C(=O)N(C(CO)C(=O)O[Si](C)(C)C)[Si](C)(C)C