You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-amino-N-[6-(3-methoxy-4-methylphenoxy)pyridin-3-yl]butanamide;dihydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H23Cl2N3O3
assistant