You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(3S)-2-amino-2-methyl-4-oxopentan-3-yl]-4-[2-[4-(2-methylpyrazol-3-yl)phenyl]ethynyl]benzamide by IUPAC nomenclature, provide its molecular formula.
user
C25H26N4O2
assistant