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 (2S,4R)-4-[(4-methoxy-2,5-dimethylphenyl)methylamino]-N-(2-methoxyethyl)-1-propan-2-ylpyrrolidine-2-carboxamide ?
user
C21H35N3O3
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