9553
Further , activated microglia - mediated apoptosis of PC - 12 pheochromocytoma cells was significantly repressed by neoechinulin A .
 Chemical: neoechinulin A
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: neoechinulin A 
Answer:
 Chemical: neoechinulin A