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system
Provide the molecular formula for the IUPAC named substance 2,2-dimethylpropanoyloxymethyl (2S,5R)-6-[(2-amino-2-phenylacetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate .
user
C22H29N3O6S
assistant