You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-(4-methoxyphenyl)-3-[3-[(3-methoxypyrrolidin-1-yl)methyl]phenyl]-1H-1,2,4-triazole into its molecular formula.
user
C21H24N4O2
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