You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2,5-dibromophenyl)-1,2,2,3,3,4,4,5,5,6,6-undecafluorocyclohexane-1-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H4Br2F11NO
assistant