You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule S-(2-ethylsulfanylethylsulfinylmethylsulfanylmethylsulfanylmethylsulfanylmethylsulfanylmethyl) 2-[2-[2-(hydroxymethylsulfanyl)ethylsulfinyl]ethylsulfanylmethylsulfanylmethylsulfanylmethylsulfanyl]ethanethioate ?
user
C19H38O4S13
assistant