Got `403 Forbidden` from accessing the [ChemProt website](https://biocreative.bioinformatics.udel.edu/news/corpora/chemprot-corpus-biocreative-vi/) while running the example of fine-tuning sequence tagging model following its [README](https://github.com/Machine-Learning-for-Medical-Language/cnlp_transformers/tree/main/examples/chemprot).