Chez Francois Poutinerie in downtown Naperville, touted as much for its unique poutine cuisine as its mission of providing jobs for developmentally disabled people, is closing after just one year of business. The restaurant’s last day will be Aug. 25. The new owners plan to open a Greek restaurant called Maria’s Gyros at the 22 E. Chicago Ave. in November, Chez Francois owner Thi Tram Nguyen .