Showing structure for C=CC1=C(C)/C(=C/C2=C(C)C(CCC(=O)O[Si](C)(C)C)=C(CC3=C(CCC(=O)O)C(C)=C(/C=C4\NC(=O)C(C)=C4C=C)N3[Si](C)(C)C)N2[Si](C)(C)C)N([Si](C)(C)C)C1=O