text: <start_of_text>Generate Haystack faq system using EmbeddingRetriever and OpenSearchDocumentStore<response>{"version": "1.6.0", "components": [{"name": "open_search_document_store", "type": "OpenSearchDocumentStore", "params": {"scheme": "https", "username": "admin", "password": "admin", "port": 0, "index": "document", "label_index": "label", "content_field": "content", "name_field": "name", "embedding_field": "embedding", "verify_certs": false, "recreate_index": false, "create_index": true, "similarity": "dot_product", "timeout": 30, "return_embedding": false, "duplicate_documents": "overwrite", "scroll": "1d", "use_system_proxy": false}}, {"name": "embedding_retriever", "type": "EmbeddingRetriever", "params": {"batch_size": 32, "max_seq_len": 512, "emb_extraction_layer": -1}}], "pipelines": [{"name": "my_doc_search_pipeline", "nodes": [{"inputs": ["Query"], "name": "embedding_retriever"}, {"inputs": ["embedding_retriever"]}]}]}<end_of_text>