Retirement tax questions

@DanaB27I have one last question as I’m at the payment selection screen (screenshot attached). I truly appreciate all your help!

 

I need to split my payments in two because I owe a large amount to the IRS and need time to gather the funds. However, the underpayment penalty is much smaller, and I don’t want it to keep accruing interest. I’d like to pay the penalty now and the remaining balance a month later, just before 4/15/2025.

 

Which option in TurboTax Online should I select in the attached screenshot to make these two payments separately at different times?