2456
Combination of beta - cyclodextrin inclusion complex and self - microemulsifying drug delivery system for photostability and enhanced oral bioavailability of methotrexate : novel technique .
 Chemical: beta - cyclodextrin; Chemical: methotrexate
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: beta - cyclodextrin; Chemical: methotrexate