You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[1-[6-[3-[1-(4-amino-3-sulfanylphenyl)ethyl]pyrazol-1-yl]pyridin-3-yl]ethoxy]ethanol into molecular formula.
user
C20H24N4O2S
assistant