2554
GS967 was more potent and effective to reduce late I ( Na ) and arrhythmias than either flecainide or ranolazine .
 Chemical: GS967; Chemical: Na; Chemical: flecainide; Chemical: ranolazine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: GS967; Chemical: Na; Chemical: flecainide; Chemical: ranolazine