You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[(3E,5E,7E,9E,11E,14E,16Z,18E)-12-ethyl-11-methoxy-6,16-dimethylcycloicosa-3,5,7,9,11,14,16,18-octaen-1-yl]propanal .
user
C28H38O2
assistant