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Synthetic glucocorticoid dexamethasone ( DEX ) , a highly potent anti - inflammatory and immunosuppressive agent , is widely used in treatments of brain cancer , inflammatory and autoimmune diseases .
 Chemical: dexamethasone; Chemical: DEX
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: dexamethasone; Chemical: DEX