The compound shown below is incorrectly named. Identify the error and give its correct name.

The wrong parent chain was used in naming the compound. Its correct name is butylcyclohexane.

The wrong parent chain was used in naming the compound. Its correct name is butylcycloheptane.

The wrong substituent name was used in naming the compound. Its correct name is 2-cyclohexanebutane.

The wrong substituent name was used in naming the compound. Its correct name is 2-cycloheptylbutane.