System: As an API testing assistant, analyze API specifications and previous test results to generate new, unused parameters. Avoid using any parameters from the previous attempts. Return only the parameter dictionary.
User: API Specification:
URL: https://api.aa1.cn/api/api-dh/
Method: GET
Required Parameters: [{'name': 'name', 'type': 'string', 'description': '导航页面的名称', 'default': '默认导航页面'}, {'name': 'an1', 'type': 'string', 'description': '按钮1的名称', 'default': '按钮1'}, {'name': 'url1', 'type': 'string', 'description': '按钮1点击后跳转的URL', 'default': 'http://www.example.com'}, {'name': 'an2', 'type': 'string', 'description': '按钮2的名称', 'default': '按钮2'}, {'name': 'url2', 'type': 'string', 'description': '按钮2点击后跳转的URL', 'default': 'http://www.example.com'}, {'name': 'an3', 'type': 'string', 'description': '按钮3的名称', 'default': '按钮3'}, {'name': 'url3', 'type': 'string', 'description': '按钮3点击后跳转的URL', 'default': 'http://www.example.com'}]
Optional Parameters: []
Previous attempts: Initial Attempt 1:
Parameters: {'name': 'custom_navigation_page', 'an1': 'custom_button_1', 'url1': 'http://www.newexample.com', 'an2': 'custom_button_2', 'url2': 'http://www.anotherexample.com', 'an3': 'custom_button_3', 'url3': 'http://www.yetanotherexample.com'}
Result: Failed
Analysis: Failed - possible issues: API returned error: HTTPSConnectionPool(host='api.aa1.cn', port=443): Max retries exceeded with url: /api/api-dh/?name=custom_navigation_page&an1=custom_button_1&url1=http%3A%2F%2Fwww.newexample.com&an2=custom_button_2&url2=http%3A%2F%2Fwww.anotherexample.com&an3=custom_button_3&url3=http%3A%2F%2Fwww.yetanotherexample.com (Caused by SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1000)')))

Initial Attempt 2:
Parameters: {'name': 'unique_navigation_page', 'an1': 'unique_button_one', 'url1': 'http://www.differentexample.com', 'an2': 'unique_button_two', 'url2': 'http://www.otherexample.com', 'an3': 'unique_button_three', 'url3': 'http://www.additionalexample.com'}
Result: Failed
Analysis: Failed - possible issues: API returned error: HTTPSConnectionPool(host='api.aa1.cn', port=443): Max retries exceeded with url: /api/api-dh/?name=unique_navigation_page&an1=unique_button_one&url1=http%3A%2F%2Fwww.differentexample.com&an2=unique_button_two&url2=http%3A%2F%2Fwww.otherexample.com&an3=unique_button_three&url3=http%3A%2F%2Fwww.additionalexample.com (Caused by SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1000)')))

Recent Attempt 3:
Parameters: {'name': 'innovative_navigation_page', 'an1': 'innovative_button_1', 'url1': 'http://www.innovativeexample1.com', 'an2': 'innovative_button_2', 'url2': 'http://www.innovativeexample2.com', 'an3': 'innovative_button_3', 'url3': 'http://www.innovativeexample3.com'}
Result: Failed
Analysis: Failed - possible issues: API returned error: HTTPSConnectionPool(host='api.aa1.cn', port=443): Max retries exceeded with url: /api/api-dh/?name=innovative_navigation_page&an1=innovative_button_1&url1=http%3A%2F%2Fwww.innovativeexample1.com&an2=innovative_button_2&url2=http%3A%2F%2Fwww.innovativeexample2.com&an3=innovative_button_3&url3=http%3A%2F%2Fwww.innovativeexample3.com (Caused by SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1000)')))

Recent Attempt 4:
Parameters: {'name': 'exploratory_navigation_page', 'an1': 'exploratory_button_1', 'url1': 'http://www.exploratoryexample1.com', 'an2': 'exploratory_button_2', 'url2': 'http://www.exploratoryexample2.com', 'an3': 'exploratory_button_3', 'url3': 'http://www.exploratoryexample3.com'}
Result: Failed
Analysis: Failed - possible issues: API returned error: HTTPSConnectionPool(host='api.aa1.cn', port=443): Max retries exceeded with url: /api/api-dh/?name=exploratory_navigation_page&an1=exploratory_button_1&url1=http%3A%2F%2Fwww.exploratoryexample1.com&an2=exploratory_button_2&url2=http%3A%2F%2Fwww.exploratoryexample2.com&an3=exploratory_button_3&url3=http%3A%2F%2Fwww.exploratoryexample3.com (Caused by SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1000)')))

Recent Attempt 5:
Parameters: {'name': 'new_unique_navigation_page', 'an1': 'new_button_A', 'url1': 'http://www.newexampleA.com', 'an2': 'new_button_B', 'url2': 'http://www.newexampleB.com', 'an3': 'new_button_C', 'url3': 'http://www.newexampleC.com'}
Result: Failed
Analysis: Failed - possible issues: API returned error: HTTPSConnectionPool(host='api.aa1.cn', port=443): Max retries exceeded with url: /api/api-dh/?name=new_unique_navigation_page&an1=new_button_A&url1=http%3A%2F%2Fwww.newexampleA.com&an2=new_button_B&url2=http%3A%2F%2Fwww.newexampleB.com&an3=new_button_C&url3=http%3A%2F%2Fwww.newexampleC.com (Caused by SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1000)')))

Already used parameters: - {'an1': 'unique_button_one', 'an2': 'unique_button_two', 'an3': 'unique_button_three', 'name': 'unique_navigation_page', 'url1': 'http://www.differentexample.com', 'url2': 'http://www.otherexample.com', 'url3': 'http://www.additionalexample.com'}
- {'an1': 'custom_button_1', 'an2': 'custom_button_2', 'an3': 'custom_button_3', 'name': 'custom_navigation_page', 'url1': 'http://www.newexample.com', 'url2': 'http://www.anotherexample.com', 'url3': 'http://www.yetanotherexample.com'}
- {'an1': 'new_button_A', 'an2': 'new_button_B', 'an3': 'new_button_C', 'name': 'new_unique_navigation_page', 'url1': 'http://www.newexampleA.com', 'url2': 'http://www.newexampleB.com', 'url3': 'http://www.newexampleC.com'}
- {'an1': 'exploratory_button_1', 'an2': 'exploratory_button_2', 'an3': 'exploratory_button_3', 'name': 'exploratory_navigation_page', 'url1': 'http://www.exploratoryexample1.com', 'url2': 'http://www.exploratoryexample2.com', 'url3': 'http://www.exploratoryexample3.com'}
- {'an1': 'creative_button_A', 'an2': 'creative_button_B', 'an3': 'creative_button_C', 'name': 'creative_navigation_page', 'url1': 'http://www.creativeexample1.com', 'url2': 'http://www.creativeexample2.com', 'url3': 'http://www.creativeexample3.com'}
- {'an1': 'alternative_button_1', 'an2': 'alternative_button_2', 'an3': 'alternative_button_3', 'name': 'alternative_navigation_page', 'url1': 'http://www.altexample1.com', 'url2': 'http://www.altexample2.com', 'url3': 'http://www.altexample3.com'}
- {'an1': 'innovative_button_1', 'an2': 'innovative_button_2', 'an3': 'innovative_button_3', 'name': 'innovative_navigation_page', 'url1': 'http://www.innovativeexample1.com', 'url2': 'http://www.innovativeexample2.com', 'url3': 'http://www.innovativeexample3.com'}
- {'an1': 'new_button_one', 'an2': 'new_button_two', 'an3': 'new_button_three', 'name': 'new_navigation_page', 'url1': 'http://www.newexample1.com', 'url2': 'http://www.newexample2.com', 'url3': 'http://www.newexample3.com'}
- {'an1': 'distinct_button_1', 'an2': 'distinct_button_2', 'an3': 'distinct_button_3', 'name': 'distinct_navigation_page', 'url1': 'http://www.distinctexample1.com', 'url2': 'http://www.distinctexample2.com', 'url3': 'http://www.distinctexample3.com'}

Rules:
1. If required_parameters is empty and you choose not to use optional parameters, return empty dict.
2. If using optional parameters, only use parameters exactly as defined in optional_parameters.
3. Do not create new parameters that are not in the specification.

Generate valid parameters:
Assistant: