You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(NZ)-N-[1-[4-[(Z)-N-hydroxy-C-methylcarbonimidoyl]-1,2,5-oxadiazol-3-yl]ethylidene]hydroxylamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C6H8N4O3
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