You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6R)-6-methyl-4-(5-methyl-4-pyrrolidin-1-ylsulfonylfuran-2-carbonyl)morpholine-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H22N2O7S
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