24725
Of these drugs , in vitro - in vivo extrapolation suggested that only ketoconazole had the potential to inhibit lorazepam clearance to a clinically significant extent .
 Chemical: ketoconazole; Chemical: lorazepam
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ketoconazole; Chemical: lorazepam