Showing structure for CC(C)(C)[Si](C)(C)N=C(N=C1N=C(O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)C1(O[Si](C)(C)C(C)(C)C)C(=O)[O-])O[Si](C)(C)C(C)(C)C