You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[[(7R)-2-(2-methoxyethyl)-5,7-dihydro-4H-pyrano[3,4-c]pyrazol-7-yl]methyl]thiophene-3-carboxamide ?
user
C15H19N3O3S
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