18231
The role of de novo catecholamine synthesis in mediating methylmercury - induced vesicular dopamine release from rat pheochromocytoma ( PC12 ) cells .
 Chemical: catecholamine; Chemical: methylmercury; Chemical: dopamine
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: catecholamine, methylmercury, dopamine 
Answer:
 Chemical: catecholamine; Chemical: methylmercury; Chemical: dopamine