26021
Design , synthesis and antiproliferative properties of some new 5 - substituted - 2 - iminobenzimidazole derivatives .
 Chemical: 5 - substituted - 2 - iminobenzimidazole
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: 5 - substituted - 2 - iminobenzimidazole 
Answer:
 Chemical: 5 - substituted - 2 - iminobenzimidazole