You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule 2-[(2-fluorophenyl)methyl]-4,7,8-trimethyl-6-propyl-4a,9a-dihydropurino[7,8-a]imidazole-1,3-dione ?
user
C20H24FN5O2
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