You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-chloro-4-[[(2S)-2-morpholin-4-yl-2-[(3R)-oxolan-3-yl]ethyl]carbamoylamino]phenyl]acetamide into its molecular formula.
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C19H27ClN4O4
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