Showing structure for COC(=O)C(CC1=CN=C[NH]1)N(C(=O)C(CC1=CC=CC=C1)N(C(=O)C(CC1=CC=CC=C1)N(C(C)=O)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C