You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-(2-fluorophenyl)-N-methyl-N-[[6-(methylamino)-2-pyrrolidin-2-ylpyrimidin-4-yl]methyl]methanesulfonamide into molecular formula.
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C18H24FN5O2S
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