Select the correct IUPAC name for the given condensed structural formula:
  
 
Answer variants:
Butane
Hept-3-ane
Dimethyl
Moscovium
Hept-1-ene
  
1. \(CH_3-CH_2-CH_2-CH_3\) -
 
2. \(CH_2=CH-(CH_2)_4-CH_3\) -