"
I have researched that this expense is excluded from the 2% floor of the estate."
If you insist and are bound and determined to enter the expenses as a deduction on your individual income tax return, then the closest you are going to come with an online version of TurboTax (since there is no Forms Mode where you can do overrides on the forms) is to enter the expenses as an estate tax deduction (see screenshots).
You might want to reconsider the foregoing, and taking the stance set forth in your question, in light of the following:
https://www.irs.gov/publications/p529/ar02.html#en_US_2016_publink100027003
https://www.irs.gov/help-resources/tools-faqs/faqs-for-individuals/frequently-asked-tax-questions-an...
