You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2R)-2-piperidin-1-yl-2-(4-propan-2-ylphenyl)ethyl]-4-propan-2-yloxybenzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H36N2O2
assistant