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": ""}
  V4Y= croton humilis  L  NEAR GRAVEL-PUT, TABASCO 12 MILES MEST 8 MISSION  7#H` CROTON  h9F marshall c. johnston      K 1322  E.U. CLOVER @m    hidalgo sk   gnC F 1543353     )]sOG 1933-06-25 humilis a D  Texas sL)  malpighiales ~aJ:  euphorbiaceae m) %2   0 J  L.   - UNITED STATES
{"catalogNumber": "1543353", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton humilis", "scientificNameAuthorship": "L.", "genus": "Croton", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Marshall C. Johnston", "recordedBy": "E.U. Clover", "recordNumber": "1322", "verbatimEventDate": "1933-06-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Hidalgo", "municipality": "", "locality": "Near gravel-put, Tabasco 12 miles west 8 Mission", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}