4931
We investigated the effects of ibuprofen ( IBU ) on the clam Ruditapes philippinarum .
 Chemical: ibuprofen; Chemical: IBU
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: ibuprofen; Chemical: IBU