Showing structure for CC(C)(C)[Si](C)(C)OC1=CC=C(C2=NC3=C(N)N=C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=C3N=C2N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C=C1