30598
Although additional optimizations are still needed to facilitate it ' s penetration through BBB , the present results indicate that [ ( 99m ) Tc ] 5a may be a potential SPECT probe for imaging A beta plaques in Alzheimer ' s brains .
 Chemical: ( 99m ) Tc
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 
Answer:
 Chemical: ( 99m ) Tc