24261
Extracellular ATP accumulation associated with CaMKII inhibition contributes both to calcium oscillations within astrocytes and ultimately cortical neuron toxicity .
 Chemical: ATP; Chemical: calcium
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ATP, calcium 
Answer:
 Chemical: ATP; Chemical: calcium