You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[2-[2-methoxyethyl(methyl)amino]ethylamino]-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile into its molecular formula.
user
C15H22N4O
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