You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[3-[2-[[(2S)-2-(6-aminopyridin-3-yl)-2-hydroxyethyl]amino]-2-methylpropyl]phenyl]-N-[2-(3-ethoxy-4-hydroxyphenyl)ethyl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C29H38N4O4
assistant