what is the benefit of LangChain Agents? Select anyone. 1. None of the listed options. 2. Generate large amount of content. 3. Writing specific instructions. 4. To connect to external sources or tools

The benefit of LangChain Agents is primarily **4. To connect to external sources or tools**. This enables the agents to leverage various APIs, databases, or other external resources to enhance their functionality and provide more useful responses or actions based on real-time data or specialized tools.