2560
After she discontinued the omeprazole , her hemoglobin and hematocrit gradually returned to normal .
 Chemical: omeprazole
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: omeprazole 
Answer:
 Chemical: omeprazole