Draw the full arrow-pushing mechanism for the reaction that occurred

when 12.0 M HCl(aq) is added to your beaker at the end of the experiment. Include all formal charges, intermediates and products. Use proper arrows for electron flow, vaguely drawn arrows will not receive marks. For each individual species, indicate if it is in the organic layer, aqueous layer or if it is a precipitate. Please draw skeletal formula!!
Unknown Acid: Phenylacetic acid
Unknown Neutral: Fluorene