You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R)-3-(5-amino-2-oxo-[1,3]thiazolo[4,5-d]pyrimidin-3-yl)-5-(hydroxymethyl)cyclopentane-1,2-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C11H10N4O4S
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