22001
1 , 3 , 4 - Oxadiazol - 2 - ones as fatty - acid amide hydrolase and monoacylglycerol lipase inhibitors : Synthesis , in vitro evaluation and insight into potency and selectivity determinants by molecular modelling .
 Chemical: 1 , 3 , 4 - Oxadiazol - 2 - ones; Chemical: fatty - acid amide; Chemical: monoacylglycerol
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: 1 , 3 , 4 - Oxadiazol - 2 - ones; Chemical: fatty - acid amide; Chemical: monoacylglycerol