You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-[2-[[4-hydroxy-3-(3-methylimidazol-3-ium-1-yl)pentan-2-ylidene]amino]ethylimino]-3-(3-methylimidazol-3-ium-1-yl)pentan-2-ol;nickel;dihexafluorophosphate ?
user
C20H34F12N6NiO2P2
assistant