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": ""}
EUPHORBIACEAE &G    y46+ L. CROIZAT HUMILIS ,%   b:e]  Croon  l. /aA7  1941-04-05 =1o    ;/1 United States        starr ! F   1543358 :hsT   2h off u. s. 83, about 9 miles east of rio grande city, on gravelly hill     )_1iq C. L. LUNDELL, AMELIA A. LUNDELL   ;g MALPIGHIALES TEXAS k :-  
{"catalogNumber": "1543358", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Croton", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L. Croizat", "recordedBy": "C. L. Lundell, Amelia A. Lundell", "recordNumber": "", "verbatimEventDate": "1941-04-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Starr", "municipality": "", "locality": "off U. S. 83, about 9 miles east of Rio Grande city, on gravelly hill", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}