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": ""}
sp9athulata 2  478 VnM~        l Euphorbia 1246460 W^`0       192-04-22 :  ON RAILROAD EMBANKMENT tD       EUPHORBIACEAE ikR9    &(`0 no data provided on label of catalog no: 1246460  Rp United States  PAUL E. BERRY & JESS PEIRSON qV 
{"catalogNumber": "1246460", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "spathulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paul E. Berry & Jess Peirson", "recordedBy": "", "recordNumber": "478", "verbatimEventDate": "1942-04-22", "habitat": "On railroad embankment", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "no data provided on label of catalog no: 1246460", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}