3298
Both are safe at high doses , but ranitidine is threefold more potent and does not cause the antiandrogen side effects frequently seen with high doses of cimetidine .
 Chemical: ranitidine; Chemical: cimetidine
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: ranitidine; Chemical: cimetidine