You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R)-2-[(4S,5S)-8-(3-methoxyprop-1-ynyl)-4-methyl-5-[[methyl(pyridin-2-ylmethyl)amino]methyl]-1,1-dioxo-4,5-dihydro-3H-6,1lambda6,2-benzoxathiazocin-2-yl]propan-1-ol by IUPAC nomenclature, provide its molecular formula.
user
C25H33N3O5S
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