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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
children: list<item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children (... 2982 chars omitted)
  child 0, item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item (... 2970 chars omitted)
      child 0, children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children (... 2820 chars omitted)
          child 0, item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children: list<item (... 2808 chars omitted)
              child 0, in_stock: bool
              child 1, smiles: string
              child 2, type: string
              child 3, children: list<item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children (... 2744 chars omitted)
                  child 0, item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item (... 2732 chars omitted)
                      child 0, children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children (... 2582 chars omitted)
                          child 0, item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children: list<item (... 2570 chars omitted)
                              child 0, in_stock: bool
                              child 1, smiles: string
                              child 2, type: st
...
         child 2, smiles: string
                      child 3, type: string
      child 1, metadata: struct<ID: string, RingBreaker: bool, reaction_hash: string, rsmi: string, smiles: string>
          child 0, ID: string
          child 1, RingBreaker: bool
          child 2, reaction_hash: string
          child 3, rsmi: string
          child 4, smiles: string
      child 2, smiles: string
      child 3, type: string
in_stock: bool
smiles: string
type: string
route_length_steps_max: int64
format: string
built_at: timestamp[s]
reference_route_root_keys: list<item: string>
  child 0, item: string
notes: list<item: string>
  child 0, item: string
targets_input_format: string
route_length_steps_min: int64
source_files: struct<reference_routes_pickle: struct<path: string, zip_member: string>, stock_csv: struct<path: st (... 84 chars omitted)
  child 0, reference_routes_pickle: struct<path: string, zip_member: string>
      child 0, path: string
      child 1, zip_member: string
  child 1, stock_csv: struct<path: string, zip_member: string>
      child 0, path: string
      child 1, zip_member: string
  child 2, targets_pickle: struct<path: string, zip_member: string>
      child 0, path: string
      child 1, zip_member: string
num_stock: int64
num_reference_routes: int64
targets_path: string
stock_path: string
reaction_node_metadata_keys: list<item: string>
  child 0, item: string
num_targets: int64
stock_input_format: string
dataset_id: string
route_length_steps_mean: double
to
{'built_at': Value('timestamp[s]'), 'dataset_id': Value('string'), 'format': Value('string'), 'notes': List(Value('string')), 'num_reference_routes': Value('int64'), 'num_stock': Value('int64'), 'num_targets': Value('int64'), 'reaction_node_metadata_keys': List(Value('string')), 'reference_route_root_keys': List(Value('string')), 'route_length_steps_max': Value('int64'), 'route_length_steps_mean': Value('float64'), 'route_length_steps_min': Value('int64'), 'source_files': {'reference_routes_pickle': {'path': Value('string'), 'zip_member': Value('string')}, 'stock_csv': {'path': Value('string'), 'zip_member': Value('string')}, 'targets_pickle': {'path': Value('string'), 'zip_member': Value('string')}}, 'stock_input_format': Value('string'), 'stock_path': Value('string'), 'targets_input_format': Value('string'), 'targets_path': Value('string')}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 478, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2818, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              children: list<item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children (... 2982 chars omitted)
                child 0, item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item (... 2970 chars omitted)
                    child 0, children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children (... 2820 chars omitted)
                        child 0, item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children: list<item (... 2808 chars omitted)
                            child 0, in_stock: bool
                            child 1, smiles: string
                            child 2, type: string
                            child 3, children: list<item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children (... 2744 chars omitted)
                                child 0, item: struct<children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item (... 2732 chars omitted)
                                    child 0, children: list<item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children (... 2582 chars omitted)
                                        child 0, item: struct<in_stock: bool, smiles: string, type: string, children: list<item: struct<children: list<item (... 2570 chars omitted)
                                            child 0, in_stock: bool
                                            child 1, smiles: string
                                            child 2, type: st
              ...
                       child 2, smiles: string
                                    child 3, type: string
                    child 1, metadata: struct<ID: string, RingBreaker: bool, reaction_hash: string, rsmi: string, smiles: string>
                        child 0, ID: string
                        child 1, RingBreaker: bool
                        child 2, reaction_hash: string
                        child 3, rsmi: string
                        child 4, smiles: string
                    child 2, smiles: string
                    child 3, type: string
              in_stock: bool
              smiles: string
              type: string
              route_length_steps_max: int64
              format: string
              built_at: timestamp[s]
              reference_route_root_keys: list<item: string>
                child 0, item: string
              notes: list<item: string>
                child 0, item: string
              targets_input_format: string
              route_length_steps_min: int64
              source_files: struct<reference_routes_pickle: struct<path: string, zip_member: string>, stock_csv: struct<path: st (... 84 chars omitted)
                child 0, reference_routes_pickle: struct<path: string, zip_member: string>
                    child 0, path: string
                    child 1, zip_member: string
                child 1, stock_csv: struct<path: string, zip_member: string>
                    child 0, path: string
                    child 1, zip_member: string
                child 2, targets_pickle: struct<path: string, zip_member: string>
                    child 0, path: string
                    child 1, zip_member: string
              num_stock: int64
              num_reference_routes: int64
              targets_path: string
              stock_path: string
              reaction_node_metadata_keys: list<item: string>
                child 0, item: string
              num_targets: int64
              stock_input_format: string
              dataset_id: string
              route_length_steps_mean: double
              to
              {'built_at': Value('timestamp[s]'), 'dataset_id': Value('string'), 'format': Value('string'), 'notes': List(Value('string')), 'num_reference_routes': Value('int64'), 'num_stock': Value('int64'), 'num_targets': Value('int64'), 'reaction_node_metadata_keys': List(Value('string')), 'reference_route_root_keys': List(Value('string')), 'route_length_steps_max': Value('int64'), 'route_length_steps_mean': Value('float64'), 'route_length_steps_min': Value('int64'), 'source_files': {'reference_routes_pickle': {'path': Value('string'), 'zip_member': Value('string')}, 'stock_csv': {'path': Value('string'), 'zip_member': Value('string')}, 'targets_pickle': {'path': Value('string'), 'zip_member': Value('string')}}, 'stock_input_format': Value('string'), 'stock_path': Value('string'), 'targets_input_format': Value('string'), 'targets_path': Value('string')}
              because column names don't match

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Syntheseus runtime bundles and route-data artifacts

This dataset repository mirrors the published Syntheseus generated runtime tree directly.

Upload these generated paths to the repo root

  • checkpoints (62633546564 bytes, 615 files)
  • paroutes2 (2554916434 bytes, 18 files)
  • pdvn_uspto (5227472750 bytes, 18 files)

Model families

  • aizynthfinder
  • askcos_retro_augmented_transformer
  • askcos_retro_graph2smiles
  • askcos_retro_template_relevance
  • chemformer
  • reactiont5v2
  • rsgpt
  • retrochimera_template
  • retrochimera_transformer
  • retrochimera_hybrid
  • reactiont5v2_forward
  • chemformer_forward
  • molecular_transformer_forward

Licensing note

Most bundle metadata is published under the dataset-card license. Individual upstream model artifacts may carry stricter terms recorded in their package manifest.json and provenance.json; notably ASKCOS Reaxys-derived model archives are marked CC-BY-NC-4.0/non-commercial where applicable.

Client install

After publication, replace the placeholder repo_id inside generated/release_manifest.client.json and copy that file to syntheseus_wrappers/release_manifest.json.

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