You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(1H-benzimidazol-2-yl)propyl]-3-(3-thiophen-3-yl-1,2,4-oxadiazol-5-yl)propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H19N5O2S
assistant