You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2,4-dichlorophenyl)-[4-[7-(4-fluorophenyl)-5-phenylpyrrolo[2,3-d]pyrimidin-4-yl]piperazin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H22Cl2FN5O
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