Showing structure for C=CC1=C(C)/C(=C\C2=C(C)C(CCC(=O)O[Si](C)(C)C(C)(C)C)=C(/C=C3\N=C(O)C(C)=C3CCC(=O)O[Si](C)(C)C(C)(C)C)N2[Si](C)(C)C(C)(C)C)N=C1O