3712
Furthermore , after additional incubation in drug - free medium , the intracellular laninamivir was released very slowly into the medium with an estimate rate constant of 0 . 0707 h ( - 1 ) , which was regarded as a rate - limiting step in the cellular retention .
 Chemical: laninamivir
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: laninamivir 
Answer:
 Chemical: laninamivir