2331
The antidepressant - like action of THC depends on serotonergic neurotransmission , whereas rimonabant effects are mediated by CB ( 1 ) receptor on GABAergic neurons and by catecholamine signaling .
 Chemical: THC; Chemical: rimonabant; Chemical: catecholamine
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: THC; Chemical: rimonabant; Chemical: catecholamine