<|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 authors declare that the data supporting the findings of this study are available within the
paper and its supplementary information files. X-ray crystallographic data was also deposited at
the Cambridge Crystallographic Data Centre (CCDC) under the following CCDC deposition
numbers: D-ribo-1 (1477052, conglomerate), rac-threo-5 (1477054), aminals 8a (1477040), D-
8b (1477041), L-8b (1477042), rac-8b (1477045), 8c (1477043), 8d (1477044), 8e (1477046), 8f
(1477047), 8g (1477051) and 8m (1477048). These can be obtained free of charge from CCDC
via www.ccdc.cam.ac.uk/data_request/cif. Supplementary information and compound 
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characterisation data are available in the online version of the paper. Reprints and permissions
information is available online at www.nature.com/reprints. Correspondence should be addressed
to M.W.P. (matthew.powner@ucl.ac.uk).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>