You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6S)-6-thiophen-2-yl-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C11H10N2O3S
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