10312
p - Toluenesulfonate ion - complex and tert - butoxycarbonyl ( Boc ) protection of amino groups were found to effectively display amino groups on the surface ( more than 70 pmol / cm ( 2 ) ) .
 Chemical: p - Toluenesulfonate; Chemical: tert - butoxycarbonyl; Chemical: Boc; Chemical: amino; Chemical: amino
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: p - Toluenesulfonate; Chemical: tert - butoxycarbonyl; Chemical: Boc; Chemical: amino; Chemical: amino