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 2-[5-[(4-butyl-2-methyl-6-oxo-1-pyridin-2-ylpyrimidin-5-yl)methyl]pyridin-2-yl]-N'-hydroxybenzenecarboximidamide .
user
C27H28N6O2
assistant