Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
s.n. +!/Sv  var. v  1498981      DL@cf Washington, D. C.  b< ]9 United States  u  washington, d.c. 1897-05-09 1-   Ranumculus -W    GZ2 Ranunculaceae A.J. PIETERS |4   ` GRPM 41746   HISPIDUS M  ranunculus hispidus var. hispidus 5` &    RANUNCULALES j        U hispidus
{"catalogNumber": "1498981", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Ranunculus hispidus var. hispidus", "scientificNameAuthorship": "", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "hispidus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "hispidus", "identifiedBy": "", "recordedBy": "A.J. Pieters", "recordNumber": "s.n.", "verbatimEventDate": "1897-05-09", "habitat": "", "occurrenceRemarks": "GRPM 41746", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington, D.C.", "county": "", "municipality": "", "locality": "Washington, D. C.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}