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 ethane;N-[1-(2-ethyloxiran-2-yl)-4-methyl-1-oxopentan-2-yl]-3-hydroxy-2-[[2-(1,2,3,4-tetrahydronaphthalen-2-yl)acetyl]amino]propanamide .
user
C27H42N2O5
assistant