Showing structure for CN1C2=C(N=C(N)N([Si](C)(C)C(C)(C)C)C2=O)N([Si](C)(C)C(C)(C)C)CC1CNC1=CC=C(C(=O)N[C@H](CCC(=O)O)C(=O)O[Si](C)(C)C(C)(C)C)C=C1