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 (2,3,5,6-tetrafluoro-4-methoxyphenyl)methyl 2-(2-hydroxy-2-methylpropanoyl)-3,3-dimethylcyclohexane-1-carboxylate .
user
C21H26F4O5
assistant