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This dataset contains the paperRingFormer: A Ring-Enhanced Graph Transformer for Organic Solar Cell Property Prediction” to evaluate the performance of property prediction on four different types of OSC molecular datasets: HOPV (Lopez et al. 2016), PFD (Nagasawa et al. 2018) 、 NFA (Miyake and Saeki 2021) and PD (Miyake and Saeki 2021). The CEPDB in Chinese (Hachmann et al. 2011) dataset was generated based on density functional theory (DFT) and is not included in this dataset.