Showing structure for C=CC1=C(C)C(=CC2=NC(=CC3=C(CCC(=O)[O-])C(C)=C(C=C4NC(=O)C(C)=C4C=C)N3[Si](C)(C)C(C)(C)C)C(CCC(=O)[O-])=C2C)N([Si](C)(C)C(C)(C)C)C1=O