You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-(4-hydroxyphenyl)-2-[4-[4-[methyl(2-methylpropyl)amino]butoxy]phenyl]-4-(trifluoromethyl)-2H-chromen-7-ol .
user
C31H34F3NO4
assistant