9492
In this study , the toxicity of bismuth - asparagine coordination polymer spheres ( BACP - 2 ) was assessed in zebrafish embryos .
 Chemical: bismuth; Chemical: asparagine
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: bismuth, asparagine 
Answer:
 Chemical: bismuth; Chemical: asparagine