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-(4-carbamimidoylphenyl)-2-hydroxy-2-[(2R)-3-oxo-4-(4-thiophen-2-ylphenyl)morpholin-2-yl]acetamide into molecular formula.
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C23H22N4O4S
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