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 1-[5-[(3R)-3-amino-4-hydroxy-3-methylbutyl]-4-methyl-1H-pyrrol-2-yl]-4-(3,4-dimethylphenyl)butan-1-one .
user
C22H32N2O2
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