You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 3,3-difluoro-N-[(3-fluorophenyl)methyl]-N-[1-[1-(1-hydroxy-2,4-dimethylpyridin-1-ium-3-carbonyl)-4-methylpiperidin-4-yl]piperidin-4-yl]cyclobutane-1-carboxamide ?
user
C31H40F3N4O3+
assistant