2825
BACKGROUND : patients undergoing electroconvulsive therapy ( ECT ) often receive succinylcholine as part of the anesthetic procedure .
 Chemical: succinylcholine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: succinylcholine 
Answer:
 Chemical: succinylcholine