1971
Diethyldithiocarbamate induces apoptosis in neuroblastoma cells by raising the intracellular copper level , triggering cytochrome c release and caspase activation .
 Chemical: Diethyldithiocarbamate; Chemical: copper
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: Diethyldithiocarbamate; Chemical: copper