16569
Repeated silexan ( 160 mg / day ) administration has no clinically relevant inhibitory or inducing effects on the CYP1A2 , 2C9 , 2C19 , 2D6 , and 3A4 enzymes in vivo .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None