4318
Group 3 received diazepam followed by 5 mg / kg flumazenil .
 Chemical: diazepam; Chemical: flumazenil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: diazepam; Chemical: flumazenil