You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl (5R,6R,7R)-2-[butyl(prop-2-enyl)carbamoyl]-3-(6-hydroxyhexyl)-7-methyl-4-oxo-10-oxa-3-azatricyclo[5.2.1.01,5]decane-6-carboxylate .
user
C26H42N2O6
assistant