Part (c) [30 Marks] Based on the following structures and activities for captopril and its analogues, propose the structure of the pharmacophore of captopril. HS N COCH Captopril HS HS HS HO,C COH COH , O relative Ki 120 relative Ki 1,100 relative Ki 12,500 relative Ki 12 HS wa barabara HS HS , , O OH relative Ki 10 relative Ki 12,000 relative Ki 650