18437
The potential energy surfaces for decarbamoylation of FAAH covalent adducts , derived from the O - aryl carbamate URB597 and from the N - piperazinylurea JNJ1661610 , were calculated and compared to that for deacylation of FAAH acylated by the substrate oleamide .
 Chemical: O; Chemical: URB597; Chemical: N; Chemical: JNJ1661610; Chemical: oleamide
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: O; Chemical: URB597; Chemical: N; Chemical: JNJ1661610; Chemical: oleamide