13980
A flexible approach to 1 , 4 - di - substituted 2 - aminoimidazoles that inhibit and disperse biofilms and potentiate the effects of beta - lactams against multi - drug resistant bacteria .
 Chemical: 1 , 4 - di - substituted 2 - aminoimidazoles; Chemical: beta - lactams
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 1 , 4 - di - substituted 2 - aminoimidazoles, beta - lactams 
Answer:
 Chemical: 1 , 4 - di - substituted 2 - aminoimidazoles; Chemical: beta - lactams