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Experiment 2 : 1 ) C containing carbonyl iron ( average ; 22 . 4mg / day ; 6 weeks ) ; CI 2 ) CI plus ezetimibe ; CIE 3 ) H containing carbonyl iron ; HI 4 ) HI plus ezetimibe ; HIE .
 Chemical: carbonyl iron; Chemical: ezetimibe; Chemical: carbonyl iron; Chemical: ezetimibe
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: carbonyl iron; Chemical: ezetimibe; Chemical: carbonyl iron; Chemical: ezetimibe