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 identified by N-[2-(diethylamino)ethyl]-5-[(Z)-(5-fluoro-2-oxo-1H-indol-3-ylidene)(114C)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide ?
user
C22H27FN4O2
assistant