You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,2R,4R)-N-[[(1S,5R)-5-[[(1R,2R,4R)-bicyclo[2.2.1]heptane-2-carbonyl]amino]-1,3,3-trimethylcyclohexyl]methyl]bicyclo[2.2.1]heptane-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H42N2O2
assistant