<|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 4(a-n) (excluding 4d, 4h and 4m) have been deposited at the cambridge crystallographic data centre (table1). copies of the data can be obtained free of charge on application to the ccdc, 12 union road, cambridge cb2 iez, uk. fax: +44-(0)1223-336033 or e-mail: deposit@ccdc.cam.ac.uk<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>