Showing structure for C/C1=C\[C@H]2OC(=O)C(C)[C@@H]2CCC(C(=O)O[C@@H]2[C@@H](O[Si](C)(C)C)[C@H](O[Si](C)(C)C)O[C@H](CO[Si](C)(C)C)[C@H]2O[Si](C)(C)C)=CCC1