2700
Treatment - related adverse events ( AEs ) occurred in 44 % and 52 % , 57 % , and 41 % of the asenapine at 5 and 10 mg BID , haloperidol , and placebo groups , respectively .
 asenapine, haloperidol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 asenapine, haloperidol