This question runs in a pre-configured Salesforce environment - no personal connection required.

Query and return all Account names that have no associated Contact records. The result should be sorted alphabetically.

Examples:

Input: (org data) Output: ['AI Innovators', 'EcoLogic Solutions', 'Nordic Petroleum'] Explanation: These accounts exist but have no related contacts Input: (org with all accounts having contacts) Output: [] Explanation: All accounts have at least one contact, so no accounts without contacts exist
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