You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[4-(3-aminopiperidin-1-yl)-6-butylpyrimidin-2-yl]-3-nitrobenzene-1,4-diamine;dihydrochloride .
user
C19H29Cl2N7O2
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