3450
The mean H concentration during hypotension in the inspiratory gas was 0 . 7 + / - 0 . 1 vol % , the mean E concentration 1 . 6 + / - 0 . 2 vol % , and the mean I concentration 1 . 0 + / - 0 . 1 vol % .
 Chemical: H; Disease: hypotension; Chemical: E; Chemical: I
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: H; Disease: hypotension; Chemical: E; Chemical: I