Showing structure for C[Si](C)(C)N1C2=C(N=C(N([Si](C)(C)C)[Si](C)(C)C)[NH]C2=O)NCC1CNC1=CC=C(C(=O)NC(CCC(=O)NC(CCC(=O)O)C(=O)O)C(=O)O)C=C1