You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [2-[(2S,6S)-2,6-dimethylmorpholin-4-yl]-2-oxoethyl] 2-(2,2-dioxo-2lambda6-thia-3-azatricyclo[6.3.1.04,12]dodeca-1(11),4,6,8(12),9-pentaen-3-yl)acetate into molecular formula.
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C20H22N2O6S
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