3357
The objective of this study was to monitor the amorphous - to - crystalline solid - state phase transformation kinetics of the model drug ibuprofen with spectroscopic methods during acoustic levitation .
 Chemical: ibuprofen
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ibuprofen 
Answer:
 Chemical: ibuprofen