Showing structure for CC(C)(C)[Si](C)(C)N(CC1CNC2=C(N1)C(=O)N=C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)[NH]2)C1=CC=C(C(=O)N[C@@H](CCC(=O)O)C(=O)O)C=C1