You can file through TurboTax doing 1041 here. You will, however, need TurboTax business software to do this (which is separate from the personal software).
Click on the link below for this 1041 software.
https://turbotax.intuit.com/small-business-taxes/
Also, I have an excellent link on Special Needs Trust that should be very helpful for you in doing the 1041:
https://www.specialneedsalliance.org/the-voice/filing-a-tax-return-for-a-special-needs-trust-what-a-...
