Showing structure for C[Si](C)(C)NC1=NC(=O)C2=C([NH]1)N([Si](C)(C)C)CC(CNC1=CC=C(C(=O)N([C@@H](CCC(=O)O)C(=O)O[Si](C)(C)C)[Si](C)(C)C)C=C1)=N2