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What is the molecular formula of the molecule (6R)-10-(3-chlorophenyl)-9-(3-methoxypropoxy)-3,3-dimethyl-15-oxo-4-oxa-1-azatetracyclo[11.4.0.02,6.07,12]heptadeca-7(12),8,10,13,16-pentaene-16-carboxylic acid ?
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C28H28ClNO6
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