1007
Celecoxib ( CE ) is a novel drug , with high selectivity and affinity for COX - 2 enzyme .
 Chemical: Celecoxib; Chemical: CE
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Celecoxib; Chemical: CE