You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3aS,6S,6aS)-6-[(2S,5R)-3,6-diethoxy-5-propan-2-yl-2,5-dihydropyrazin-2-yl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-ol into its molecular formula.
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C18H30N2O6
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