21523
In organ bath study using bladder strips , the PTHrP peptide caused a marked reduction in the amplitude of spontaneous contraction , but caused only modest suppression for carbachol - induced contraction .
 Chemical: carbachol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: carbachol