How to reduce my self employment tax

[NCperson]

not sure what you are asking; that tax is 15.3%  - none of your federal tax credits or deductions can reduce it.

[mesquitebean]

You asked:  "How to reduce my self employment tax"

Be sure to enter all of your eligible Schedule C business expenses.  That will lower your net self-employment income, and therefore less SE tax, and likely less income tax, too.