Showing structure for CCC1=C(C)C(CC2=NC(=CC3=C(CCC(=O)O)C(C)=C(CC4C(CC)=C(C)C(=O)N4[Si](C)(C)C)N3[Si](C)(C)C)C(CCC(=O)O)=C2C)N([Si](C)(C)C)C1=O