4242
Based on current representative examples , the present article provided a brief review on the rationale for the design of different classes of multivalency anti - HIV agents and also discussed the advantages over their monomeric counterparts , providing a novel paradigm to facilitate the development of anti - HIV / AIDS therapeutic agents in treatment of HIV infected community .
 None
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:  
Answer:
 None