You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (3Z)-3-[(ethylideneamino)methylidene]-1-(5-methoxy-1H-indol-3-yl)pent-4-yn-1-one using the IUPAC nomenclature.
user
C17H16N2O2
assistant