You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-(4-chlorophenyl)tetrazol-2-yl]-N-[(2R)-2-(ethylamino)propyl]butanamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H24Cl2N6O
assistant