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