Showing structure for CN(CC1=CN=C2N=C(N([Si](C)(C)C)[Si](C)(C)C)N=C(N)C2=N1)C1=CC=C(C(=O)N([C@@H](CCC(=O)O)C(=O)O[Si](C)(C)C)[Si](C)(C)C)C=C1