You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(5R)-5-(bromomethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2,6-ditert-butylphenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H26BrNO2
assistant