You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-[(1R,2S)-2-[(3,5-dimethoxyphenyl)methylamino]-1-hydroxypropyl]-2-hydroxyphenyl]methanesulfinamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26N2O5S
assistant