Showing structure for C[Si](C)(C)N(C(=O)C1=CC=C(NCC2=CN=C3N=C(N([Si](C)(C)C)[Si](C)(C)C)N=C(N([Si](C)(C)C)[Si](C)(C)C)C3=N2)C=C1)C(CCC(=O)O)C(=O)O