Showing structure for CC1=C(CCC(=O)O)C2=CC3=C(C)C(CCC(=O)O)=C(C=C4N=C(C=C5C(C)=C(CCC(=O)O)C(=CC1=N2)N5[Si](C)(C)C)C(CCC(=O)O[Si](C)(C)C)=C4C)N3[Si](C)(C)C