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Under IUPAC nomenclature, a molecule named N-[[(2R,3R)-8-(cyclopenten-1-yl)-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzamide is given. What is its corresponding molecular formula?
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C27H33N3O4
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