3357
In this group of 45 patients under protection with MESNA there were 5 complete remissions and 9 partial remissions ( total 31 % ) .
 Chemical: MESNA
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: MESNA