834
In mechanistic studies , Silibinin decreased the protein level of p34cdc2 , which might be the possible molecular mechanism of Silibinin efficacy on the growth inhibition in SGC - 7901 cells .
 Chemical: Silibinin; Chemical: Silibinin
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: Silibinin; Chemical: Silibinin