You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-(6-methylpyrimidin-4-yl)sulfanylacetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide into its molecular formula.
user
C16H18N4O2S2
assistant