You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(1-hydroxy-3-methylbutan-2-yl)-6-[5-methyl-2,4-bis(phenylmethoxy)phenyl]-4-oxopyridine-3-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C32H33NO6
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