You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[5-(2-hydroxy-1-methyl-2,3-dihydroindol-6-yl)furan-2-yl]-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid into its molecular formula.
user
C21H26N2O6
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