13676
In the context of pleiotropical coupling of receptors and the interplay of multiple pathways leading to physiologic responses , profiling of small molecules in this manner may lead to a better understanding of the physiologic consequences of biased signaling at this receptor .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None