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Part 6 : Indole - 5 - cycloalkyl methylamines as selective serotonin reuptake inhibitors .
 Chemical: Indole - 5 - cycloalkyl methylamines; 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: Indole - 5 - cycloalkyl methylamines; Chemical: serotonin