18595
( - ) - Delta ( 9 ) - Tetrahydrocannabinol has been demonstrated to have beneficial effects in the airways , but its psychoactive effects preclude its therapeutic use for the treatment of airways diseases .
 Chemical: ( - ) - Delta ( 9 ) - Tetrahydrocannabinol
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: ( - ) - Delta ( 9 ) - Tetrahydrocannabinol