You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2S)-1-[4-[5-(5-chloropyrimidin-2-yl)-3-methanimidoylpyridin-2-yl]oxycyclohexyl]oxypropan-2-yl]acetamide into molecular formula.
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C21H26ClN5O3
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