You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(2,2-difluoro-1,3-benzodioxol-5-yl)amino]-2-oxoethyl]-[(1S)-1,2,3,4-tetrahydronaphthalen-1-yl]azanium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H19F2N2O3+
assistant