18278
The reversible conjugation is based on the interaction between phenylboronic acid ( PBA ) and dopamine to form a borate ester .
 Chemical: phenylboronic acid; Chemical: PBA; Chemical: dopamine; Chemical: borate ester
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: phenylboronic acid; Chemical: PBA; Chemical: dopamine; Chemical: borate ester