You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[[4-[(3S)-2,3-dihydro-1,4-benzodioxine-3-carbonyl]piperazin-1-ium-1-yl]methyl]-1,3-benzoxazol-2-one .
user
C21H22N3O5+
assistant