Showing structure for CCC1=C(C)C(CC2=C(C)C(CCC(=O)O[Si](C)(C)C)=C(CC3=C(CCC(=O)O[Si](C)(C)C)C(C)=C(CC4C(CC)=C(C)C(=O)N4[Si](C)(C)C)[NH]3)[NH]2)N([Si](C)(C)C)C1=O