<|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: Crystallographic data for compounds 26 and 29 have been deposited with the Cambridge Crystallographic Data Centre under deposition numbers CCDC 1476066 and CCDC 1476099 respectively. These data can be obtained free of charge from www.ccdc.cam.ac.uk/data_request/cif. Any relevant data not present in the manuscript or supplementary information are available from the authors.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>