8927
Importantly , PD0325901 , a new selective inhibitor of MEK1 / 2 --> ERK1 / 2 activation , impaired F - actin remodeling and the sustained / amplification pathway of insulin release .
 Chemical: PD0325901
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: PD0325901 
Answer:
 Chemical: PD0325901