You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-ethyl-1,3-thiazole-4-carbothioamide;2-(2-ethyl-1,3-thiazol-4-yl)-1,3-thiazole-4-carboxylic acid;methane is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H24N4O2S4
assistant