You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2S)-N-methyl-N-[(3-thiophen-2-yl-1H-pyrazol-5-yl)methyl]morpholine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C14H18N4O2S
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