You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[2-(diethylamino)ethylamino]-N-[3-[(5-thiophen-3-ylpyrimidin-2-yl)amino]phenyl]acetamide into its molecular formula.
user
C22H28N6OS
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