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Risperidone , a benzisoxazole derivative antipsychotic , has high serotonin 5 - HT2 receptor blockade and dose - related D2 receptor blockade .
 Chemical: Risperidone; Chemical: benzisoxazole; Chemical: serotonin
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: Risperidone; Chemical: benzisoxazole; Chemical: serotonin