You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-methylfuran-2-yl)-N-propyl-6,7,8,9-tetrahydro-5H-cyclohepta[d]pyrimidin-4-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H23N3O
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