You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-cyclohexyl-3-(3-ethylpyridin-1-ium-1-yl)-4-(2-methyl-3-oxo-5-phenyl-1H-pyrazol-4-yl)pyrrole-2,5-dione .
user
C27H29N4O3+
assistant