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": ""}
  u_Y/6 1543681   l. croizat ?2x  TEXNSIS    Malpighiales ::   lundell plantation mF       2, croton texensis CROTON T    ^OZ Euphorbiaceae (KLOTZSCH) MUELL.-ARG.Hn|P     U bastrop    united states CE    9100 Ir    j0I c. l. lundell, amelia a. lundell
{"catalogNumber": "1543681", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton texensis", "scientificNameAuthorship": "(Klotzsch) Muell.-Arg.", "genus": "Croton", "subgenus": "", "specificEpithet": "texensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L. Croizat", "recordedBy": "C. L. Lundell, Amelia A. Lundell", "recordNumber": "9100", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Bastrop", "municipality": "", "locality": "Lundell Plantation", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}