You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(2-amino-2-oxoethyl)-4-[[[ethylamino-[methyl(pent-4-enyl)amino]methylidene]amino]methyl]benzamide by IUPAC nomenclature, provide its molecular formula.
user
C19H29N5O2
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