Showing structure for C=CC1=C(C)C2=CC3=C(C=C)C(C)=C(C=C4N=C(C=C5N=C(C=C1[N-]2)C(C)=C5C(=CC(=O)OC)O[Si](C)(C)C)C(CCC(=O)[O-])=C4C)[N-]3