10069
In a surface plasmon resonance ( SPR ) - mediated fragment screening campaign , we discovered bicyclic scaffolds like 1H - pyrazolo [ 3 , 4 - d ] pyrimidines binding to the hinge region of FAK .
 Chemical: 1H - pyrazolo [ 3 , 4 - d ] pyrimidines
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: 1H - pyrazolo [ 3 , 4 - d ] pyrimidines