24091
A few compounds within the 2 - methyl - 3 - ( 1 , 2 , 3 , 6 - tetrahydropyridin - 4 - yl ) - 1H - indoles were also screened for off - targets and generally they displayed low affinity for other 5 - HT subtypes and serotonin transporter protein ( SERT ) .
 Chemical: 2 - methyl - 3 - ( 1 , 2 , 3 , 6 - tetrahydropyridin - 4 - yl ) - 1H - indoles; Chemical: 5 - HT; Chemical: serotonin
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: 2 - methyl - 3 - ( 1 , 2 , 3 , 6 - tetrahydropyridin - 4 - yl ) - 1H - indoles; Chemical: 5 - HT; Chemical: serotonin