You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[4-[3-[2-carbamimidoyl-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-yl]-4-methyl-2-oxo-1,3-oxazolidin-5-yl]piperazin-1-yl]acetic acid is given. What is its corresponding molecular formula?
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C21H36N6O6
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