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Co - treating TW2 . 6 cells with CAPE and 5 - fluorouracil , a commonly used chemotherapeutic drug for oral cancers , exhibited additive cell proliferation inhibition .
 Chemical: CAPE; Chemical: 5 - fluorouracil
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: CAPE; Chemical: 5 - fluorouracil