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What is the molecular formula of the molecule (3E)-7-cyano-5-ethyl-3-[[3-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]anilino]methylidene]-4-oxo-N-prop-2-ynyl-2-thia-5-azabicyclo[4.1.0]heptane-7-carboxamide ?
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C26H30N6O4S
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