13571
Herein , we report that a functionalized hydrindanone enables a divergent strategy that builds on existing precedent to address this long - standing challenge .
 Chemical: hydrindanone
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: hydrindanone