I filed form I485 and i received A Notice of Naturalization Oath Ceremony

Sounds very strange and a mistake of USCIS. One does not apply for adjustment of status and then receive an invitation for a naturalization oath ceremony. You or your legal representative may wish to call the USCIS Contact Center (1-800-375-5283) to find out what is going on. Due to the limitations of the Lawyers.com Forums, Alan Lee & Arthur Lee, Esqs.’ (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.