2119
In the non - pretreatment group , mean arterial pressure ( MAP ) decreased from 107 . 4 + / - 8 . 4 mmHg to 86 . 7 + / - 11 . 4 mmHg ( P less than 0 . 01 ) two minutes after cimetidine .
 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: cimetidine