You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(2R,4S)-4-(2,3-dihydro-1-benzofuran-5-yl)-2-[2-(1,3-dioxolan-2-yl)-2-methylpropyl]pyrrolidin-1-yl]-N-propoxy-N-propylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H42N2O5
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