10714
Differently , many researchers reported that HyT down - regulates tumor cell viability and cell cycle progression , and induces reactive oxygen species ( ROS ) production and apoptosis .
 Chemical: HyT; Chemical: oxygen
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: HyT; Chemical: oxygen