There is case law that states you do not have to reside with your citizen spouse (in limited circumstances) to qualify for the marriage exception in applying for naturalization. Depending on your intent for the future, withdrawal might be proper. However, there is language in the CFR is that USCIS does not have to accept your request to withdraw. Based on the interview and any subsequent investigation done by FDNS, there may be other issues such as deportation and criminal charges for false statements.
You should consult with an attorney skilled in citizenship cases to identify all issues, plan a strategy for the future and protect your rights. Attorneys who practice immigration law are practicing federal law and therefore you can hire an attorney from anywhere in the country (as long as he/she is licensed).