You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(5-chloro-1H-indol-3-yl)-2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]acetic acid into its molecular formula.
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C22H19ClFN3O3
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