<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: The data supporting the findings of this study are available within the Article and its Supplementary Information or from the authors. The crystallographic data have been deposited with the Cambridge Crystallographic Data Centre under CCDC-1512970 and 1512971. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif. The crystallographic data in CIF format are also available as Supplementary Data 1 and 2. <|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>