23353
Compared with the para isomer , the ortho isomer showed a much greater fluorescence increase upon reaction with NO2 , which led to oxidation and decomplexation of the dithiocarbamate ligand from Ni ( II ) .
 Chemical: NO2; Chemical: dithiocarbamate; Chemical: Ni ( II )
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: NO2; Chemical: dithiocarbamate; Chemical: Ni ( II )