3510
Lanthanum ( III ) regulates the nitrogen assimilation in soybean seedlings under ultraviolet - B radiation .
 Chemical: Lanthanum ( III ); Chemical: nitrogen
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: Lanthanum ( III ); Chemical: nitrogen