You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[2-(5-amino-3,4-dihydro-2H-quinolin-1-yl)acetyl]piperazin-1-yl]-N,N-dimethylacetamide into molecular formula.
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C19H29N5O2
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