Showing structure for C=CC1=C(C)/C(=C/C2=N/C(=C\C3=C(CCC(=O)O[Si](C)(C)C(C)(C)C)C(C)=C(/C=C4/C(C=C)=C(C)C(=O)N4[Si](C)(C)C(C)(C)C)[NH]3)C(CCC(=O)O)=C2C)NC1=O