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 N-[2-[2-(3-fluorophenyl)ethylamino]-2-oxo-1-pyridin-3-ylethyl]-N-(4-methylsulfonylphenyl)-1,3-oxazole-4-carboxamide .
user
C26H23FN4O5S
assistant