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)[NH]3)[NH]2)NC1=O