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What is the molecular formula of the compound with this IUPAC name 13-(2-methoxyethyl)-14-methyl-17-(3-methylphenyl)-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one ?
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C23H21N5O2
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