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What is the molecular formula of the molecule (2S,3S)-3-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[2-methyl-1-oxo-1-(2-pyridin-2-ylhydrazinyl)propan-2-yl]oxyiminoacetyl]amino]-2-methyl-4-oxoazetidine-1-sulfonic acid ?
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C18H22N8O7S2
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