16567
The 90 % CI for the AUC0 - t ratio of omeprazole but not for omeprazole / 5 - OH - omeprazole plasma ratio 3 hours post - dose or omeprazole / 5 - OH - omeprazole AUC0 - t ratio ( secondary CYP2C19 metrics ) was above the predefined threshold of 1 . 43 , probably caused by the inherent high variability of omeprazole pharmacokinetics .
 Chemical: omeprazole; Chemical: omeprazole; Chemical: 5 - OH - omeprazole; Chemical: omeprazole; Chemical: 5 - OH - omeprazole; Chemical: omeprazole
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: omeprazole; Chemical: omeprazole; Chemical: 5 - OH - omeprazole; Chemical: omeprazole; Chemical: 5 - OH - omeprazole; Chemical: omeprazole