You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [(2R,3R,4R,5R)-5-[carbamoyl-[(Z)-3-oxobut-1-enyl]amino]-4-chloro-2-fluoro-2-(iodomethyl)-4-methyloxolan-3-yl] benzoate into molecular formula.
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C18H19ClFIN2O5
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