the answer the other day. Turbotax can do nothing.
https://ttlc.intuit.com/community/taxes/discussion/file-form-7004-for-1120s-1065-but-still-got-late-...
or you can try calling the IRS again at the number on the notices. you may get a more receptive agent. you may also try contacting the tax advocate service in your state.
https://www.taxpayeradvocate.irs.gov/can-tas-help-me-with-my-tax-issue/
