18435
Carbamate and urea derivatives are important classes of fatty acid amide hydrolase ( FAAH ) inhibitors that carbamoylate the active - site nucleophile Ser241 .
 Chemical: Carbamate; Chemical: urea; Chemical: fatty acid amide; Chemical: carbamoylate; Chemical: Ser241
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: Carbamate; Chemical: urea; Chemical: fatty acid amide; Chemical: carbamoylate; Chemical: Ser241