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 N-[(5Z,6E)-5-ethylidene-4-[(6-ethylpyridin-3-yl)methyl]-2-formyl-6-propylidenecyclohexa-1,3-dien-1-yl]-N'-(oxan-4-yl)methanimidamide .
user
C26H33N3O2
assistant