27122
The synthesis , characterization , and functional in vitro assay in cardiac and smooth muscle ( vascular and nonvascular ) of a series of 4 - imidazo [ 2 , 1 - b ] thiazole - 1 , 4 - dihydropyridines are reported .
 Chemical: 4 - imidazo [ 2 , 1 - b ] thiazole - 1 , 4 - dihydropyridines
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: 4 - imidazo [ 2 , 1 - b ] thiazole - 1 , 4 - dihydropyridines