4276
In addition , carteolol did not evoke 5 - HT1A receptor - stimulating behavioral signs such as flat body posture and forepaw treading and did not inhibit 5 - hydroxytryptophan - induced head twitch in rats .
 Chemical: carteolol; Chemical: 5 - hydroxytryptophan
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: carteolol; Chemical: 5 - hydroxytryptophan