You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-chloro-5-[2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-1H-indole-3-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
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C18H14ClNO5
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