1725
By using this strategy to study the involvement of MRP2 in brain access of antiepileptic drugs ( AEDs ) , we recently reported that phenytoin is a substrate for MRP2 in the BBB .
 Chemical: phenytoin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: phenytoin 
Answer:
 Chemical: phenytoin