13581
This study identified new beta - lactam - Oat3 interactions , provided a head - to - head comparison with Oat1 , and characterized the physicochemical determinants of affinity for Oat3 .
 Chemical: beta - lactam
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 - lactam