You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[methoxy-[4-methyl-5-(5-methyl-2,3-dihydroindol-1-yl)-1,2,4-triazol-3-yl]methyl]phenol into its molecular formula.
user
C20H22N4O2
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