8244
Thus , chelidonine is a promising model compound for overcoming MDR and for enhancing cytotoxicity of chemotherapeutics , especially against leukaemia cells .
 Chemical: chelidonine
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: chelidonine 
Answer:
 Chemical: chelidonine