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-(2,3-dimethylanilino)-2-oxoethyl]-ethyl-[2-oxo-2-(thiophen-2-ylmethylamino)ethyl]azanium into molecular formula.
user
C19H26N3O2S+
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