8782
More specifically , iron carbonyls soluble in DMSO released CO with a fast kinetic and displayed a marked cytotoxic effect in smooth muscle cells and RAW 247 . 6 macrophages despite exerting a rapid and pronounced vasorelaxation ex vivo .
 Chemical: iron carbonyls; Chemical: DMSO; Chemical: CO
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: iron carbonyls; Chemical: DMSO; Chemical: CO