3290
Furthermore , cAMP production and protein kinase A ( PKA ) activity were suppressed by artemisinic acid .
 Chemical: cAMP; Chemical: artemisinic acid
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: cAMP, artemisinic acid 
Answer:
 Chemical: cAMP; Chemical: artemisinic acid