4990
PCLSs were evaluated after 24 , 48 , and 72 h exposures to NSC 710305 .
 Chemical: NSC 710305
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: NSC 710305 
Answer:
 Chemical: NSC 710305