You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1,1,1,3,3,3-hexafluoropropan-2-yl 4-[[2-(2-formyloxy-2-methylpropoxy)-4-methylphenyl]methyl]piperazine-1-carboxylate ?
user
C21H26F6N2O5
assistant