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 1-[(1R)-1-(2-fluoro-4-methylphenyl)-2-hydroxyethyl]-5-[[3-methyl-4-(4-methylimidazol-1-yl)phenyl]methyl]-6-oxopyridine-3-carbonitrile ?
user
C27H25FN4O2
assistant