You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-methyl-1-[1-[(3-methyl-1,2-oxazol-5-yl)methyl]pyrrol-3-yl]propan-1-amine by IUPAC nomenclature, provide its molecular formula.
user
C13H19N3O
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