1938
The results showed marked tumor SPECT molecular imaging liabilities for both compounds but with a better performance by administration of ( 99m ) Tc - Dendrimer G ( 2 ) - Methionin .
 Chemical: ( 99m ) Tc; Chemical: Methionin
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: ( 99m ) Tc, Methionin 
Answer:
 Chemical: ( 99m ) Tc; Chemical: Methionin