You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2,2-difluoro-1,3-benzodioxol-5-yl)-4-methyl-1-prop-2-enylimidazol-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H13F2N3O2
assistant