You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(6-chloro-2,2-difluoro-1,3-benzodioxol-5-yl)-1-methylpyrazole-3-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C12H7ClF2N2O4
assistant