You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(3-aminopropylamino)methyl]-3,4-difluoro-2-(2-fluoro-4-iodoanilino)-N-(2-hydroxyethoxy)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H22F3IN4O3
assistant