23290
CONCLUSION : We demonstrate a key role of the nNOS activity and NO / sGC / cGMP signaling pathway in the development of cocaine sensitization and in the associated enhancement of hippocampal synaptic transmission .
 Chemical: NO; Chemical: cGMP; Chemical: cocaine
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: NO; Chemical: cGMP; Chemical: cocaine