7875
Notable contributions In addition to Leighton 's novel methods for synthesizing natural products , including : CP-263 ,114 , Leucascandrolide A , Mycoticin A , SCH 351448 , Dolabelide D , Manzacidin C , Zincophorin , he has also pioneered the concept of strain-release silane Lewis acids .
 person: Leighton
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Leighton 
Answer:
 person: Leighton