You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-1-[5-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-7-carbonyl)-1,3,4,6-tetrahydropyrrolo[3,4-c]pyrrol-2-yl]pent-2-en-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H24N4O2
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