16784
Compound 28 with 3 - thiophenyl acrylic amide side chain exhibited selective cytotoxicity against MDA - MB - 231 cell line with the IC50 value of 50 nM .
 Chemical: 3 - thiophenyl acrylic amide
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: 3 - thiophenyl acrylic amide