You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl 2-[4-[[(2R,3S)-2-methyl-2,3-dihydro-1,4-benzodioxine-3-carbonyl]amino]phenoxy]acetate by IUPAC nomenclature, provide its molecular formula.
user
C19H19NO6
assistant