2294
Furthermore , nicotine production was highly upregulated by L - Orn , while the addition of D - Orn had no effect on the nicotine content of tobacco cells .
 Chemical: nicotine; Chemical: L - Orn; Chemical: D - Orn; Chemical: nicotine
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: nicotine; Chemical: L - Orn; Chemical: D - Orn; Chemical: nicotine