See: The ACT | Estimated Relationship between ACT Composite Score and SAT CR+M+W Score | ACT
According to this ACT/SAT Concordance table, your 2300 is equivalent to a 35 ACT. So, you could submit either set of scores or both.
Remember, test scores are only one part of the applications process. The most important part of your application package is your high school transcript. Next in importance are your teacher recommendations and guidance counselor report. Next would probably be your essays. After that would be your extracurriculars. Test scores are kind of near the bottom, in terms of importance.