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Therefore , we aimed to investigate the effect of meclofenamic acid ( MFA ) on retinal pigment epithelium ( RPE ) .
 Chemical: meclofenamic acid; Chemical: MFA
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: meclofenamic acid; Chemical: MFA