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 (2Z,4E)-5-(5,6-dichloro-1H-indol-2-yl)-2-methoxy-N-(2-methoxypyrimidin-5-yl)penta-2,4-dienamide using the IUPAC nomenclature.
user
C19H16Cl2N4O3
assistant