1762
Up to 100 mu M Pb ( NO ( 3 ) ) ( 2 ) had no effect on cellular viability and proliferation .
 Chemical: Pb ( NO ( 3 ) ) ( 2 )
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: Pb ( NO ( 3 ) ) ( 2 )