14019
Hence , PSO - PEO block copolymers offer interesting features as new biological response modifiers to be used in the design of efficient nanocarriers for cancer chemotherapy .
 Chemical: PSO - PEO
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: PSO - PEO