You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(3aS,5S,6R,6aS)-3a-(dodecoxymethyl)-2,2,5-trimethyl-6,6a-dihydro-5H-furo[2,3-d][1,3]dioxol-6-yl]-3-butylurea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H50N2O5
assistant