561
However , the torsadogenic potential of metoclopramide , a commonly used antiemetic and prokinetic drug , has not been reported in the literature , despite its chemical similarity to procainamide .
 Chemical: metoclopramide; Chemical: procainamide
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: metoclopramide; Chemical: procainamide