You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-1-[4-[6-ethyl-5-[(2-fluorophenyl)methyl]-2-phenylpyrimidin-4-yl]piperazin-1-yl]hex-5-en-2-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H35FN4O
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