You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(8R)-8-[bis(3-fluorophenyl)methyl]-3,4-dihydroxy-6-propan-2-yl-7,8-dihydro-3H-pyrazino[1,2-b]pyridazin-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H23F2N3O3
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