You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3aS,6aS)-3a-(methoxymethyl)-1,3,4,5,6,6a-hexahydrocyclopenta[c]pyrrole-2-carboximidamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C10H19N3O
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