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system
Name the molecular formula for the molecule established as (6S,7S)-7-[[2-[5-cyclopropyl-3-(difluoromethyl)pyrazol-1-yl]acetyl]amino]-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid using the IUPAC nomenclature.
user
C20H20F2N6O4S3
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