4324
Interestingly , the pERK levels were increased by the 3 , 4 , 5 - trimethoxycinnamic acid derivatives and the derivatives - mediated changes in pERK levels were blocked by the WAY 100635 .
 Chemical: 3 , 4 , 5 - trimethoxycinnamic acid; Chemical: WAY 100635
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: 3 , 4 , 5 - trimethoxycinnamic acid, WAY 100635 
Answer:
 Chemical: 3 , 4 , 5 - trimethoxycinnamic acid; Chemical: WAY 100635