What is the IUPAC name for the following compound?(2E,4Z,6E)–3,4,7,8–tetrame thyl-2,4,6–heptatriene(2Z,4E)–3,4,7 –trimethyl-2,4,6–octatriene(2E,4Z,6 E)–2,5,6,7–tetramethyl-3,5,7–heptat riene(2E,4Z)– 2,5,6–trimethyl-3,5,7–octatriene(4E ,6E)–2,5,6–trimethyl-2,4,6–octatrie ne