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When tacrolimus side effects are unresponsive to dose reduction , conversion to CyA can be accomplished safely , with no increased risk of rejection and excellent long - term outcome .
 Chemical: tacrolimus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: tacrolimus