2702
Further , 5 , 7 - DHT lesion of serotonin nerves travelling in the median forebrain bundle , one of the main ascending pathways from the B3 serotonin cells , did not affect the fall in blood pressure associated with a midline B3 serotonin methyldopa injection .
 Chemical: 5 , 7 - DHT; Chemical: serotonin; Chemical: serotonin; Chemical: serotonin; Chemical: methyldopa
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 5 , 7 - DHT; Chemical: serotonin; Chemical: serotonin; Chemical: serotonin; Chemical: methyldopa