Showing structure for COC1=CC(N(C2=NC=C(F)C(N=C3C=CC4=C([NH]3)N(COP(=O)(O)O[Si](C)(C)C(C)(C)C)C(=O)C(C)(C)O4)=N2)[Si](C)(C)C(C)(C)C)=CC(OC)=C1OC