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What is the molecular formula of the molecule identified by (6S)-3-[(6-amino-3-methyl-1,4-dihydropyrimidin-3-ium-2-yl)sulfanylmethyl]-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(1-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ?
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C22H27N8O7S3+
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