20590
A wealth of preclinical and clinical literature has established functional associations of CNS dopamine ( DA ) and its multiple G protein - coupled receptor ( GPCR ) types in the integration of key neurological processes linked to complex behavioral activities .
 Chemical: dopamine
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: dopamine