update conversation template

mlc-chat-config.json

@@ -31,14 +31,14 @@
     "repetition_penalty": 1.0,
     "top_p": 0.95,
     "conv_template": {
-        "name": "exaone",
-        "system_template": "[|system|]{system_message}[|endofturn|]",
-        "system_message": "You are EXAONE model from LG AI Research, a helpful assistant.",
-        "system_prefix_token_ids": [1],
-        "add_role_after_system_message": false,
+        "name": "exaone_llama",
+        "system_template": "{system_message}",
+        "system_message": "",
+        "system_prefix_token_ids": [],
+        "add_role_after_system_message": true,
         "roles": {
-            "user": "|user|]",
-            "assistant": "[|assistant|]"
+            "user": "[BOS][INST] ",
+            "assistant": "[/INST]"
         },
         "role_templates": {
             "user": "{user_message}",
@@ -46,9 +46,9 @@
             "tool": "{tool_message}"
         },
         "messages": [],
-        "seps": ["\n"],
+        "seps": [" "],
         "role_content_sep": "",
-        "role_empty_sep": "\n",
+        "role_empty_sep": "",
         "stop_str": ["[|endofturn|]"],
         "stop_token_ids": [361],
         "function_string": "",