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": ""}
Euphorbiaceae9f   1990-09-26 N].  (kuntze) b.w.van ee & p.e.berry _NmM    [ MALPIGHIALES    john a. churchill ZE  Along Nails Spring Road 1 km NE of US route 190 W~^tX    ,i P. E. Berry  $Kava Croton heptalon  heptalon z x     J texas united states P3K   Croton #  1543346 sR?C/  Lee k|l    
{"catalogNumber": "1543346", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton heptalon", "scientificNameAuthorship": "(Kuntze) B.W.van Ee & P.E.Berry", "genus": "Croton", "subgenus": "", "specificEpithet": "heptalon", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P. E. Berry", "recordedBy": "John A. Churchill", "recordNumber": "", "verbatimEventDate": "1990-09-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Lee", "municipality": "", "locality": "Along Nails Spring Road 1 km NE of US route 190", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}