Chile: Dining Out August 31, 1998 Share 1 -- When guests at San Cristobal Tower, the newest addition to ITT Sheraton's Luxury Collection, ask the concierge for suggestions on a night out on the town, the following will be among the responses: Aqui Esta Coco. The catch of the day may be corvina (sea bass), machas (razor clams), or congrio (conger eeel) at this acclaimed restaurant. La Concepcion 236 (Providencia); phone 235-8649.El Otro Sitio. This hot California-style restaurant serves the best Peruvian cuisine, accompanied, of course, by potent pisco sours. Antonia Lope de Bello 53 (Bellavista); phone 777-3059.Enoteca. Atop San Cristobal, this restaurant offers great city views, as well as Chilean and international food, music and a folklorico show. Come early to see the wine museum; stay late to sample the wine. Camino Real; phone 232-1758.Los Adobes de Argomedo. A restaurant-night club offering traditional Chilean singing and dancing, along with parilladas (grilled-meat dishes); an orchestra plays music late into the evening. Argomedo 411; phone 222-2104.