<|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: ( 72 mg , 22 % ) as a colorless crystalline solid ; Raman ( neat ) / cm − suitable for single - crystal X - ray diffraction were obtained by layering a dichloromethane solution of 2c•NTf2 with diethyl ether followed by storage at -18 C ( X - ray data are given in Section 3 ) . a With carbon NMR spectra aquired on lower field instruments ( 101 MHz ) , the carbon signal corresponding to the NTf2 − anion was not observed . S10<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>