You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethyl 2-[[2-[[5-(2-ethoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate into molecular formula.
user
C23H26N4O4S2
assistant