Question

$(H_2CCH_2)_3CCCCN$

Answer 1

Cannot be determined due to ambiguous notation.

Answer 2

The provided notation $(H_2CCH_2)_3CCCCN$ is ambiguous and does not conform to standard IUPAC nomenclature for discrete organic molecules. It is impossible to unambiguously determine the structure and hence the solution without further context, clarification, or multiple-choice options.