You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[1-[(2R)-2-hydroxy-3-phenylmethoxypropyl]piperidin-2-yl]-N,1-dimethylpyrrole-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H31N3O3
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