You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3R,4S)-3-amino-N-[1-[(2S)-2-aminopropanoyl]azetidin-3-yl]-N,4-dimethylpyrrolidine-1-sulfonamide .
user
C12H25N5O3S
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