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": ""}
 EUPHORBIA ANGUSTA @ ;      F#(R TEXAS VAL VERDE B8[   (E= Rogers McVaugh         _ STONY (LIMESTONE) HILLS. ABUNDANT ALONG ROADSIDE 22 MILES NORTHWEST OF DEL RIO 6.Mi1   engelm. #    =gO Plants more or less erect; stems in tufts   e 1947-05-08  euphorbia K4  1244698 d:Ss/   ANGUS7A .m 
{"catalogNumber": "1244698", "order": "", "family": "", "scientificName": "Euphorbia angusta", "scientificNameAuthorship": "Engelm.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "angusta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "", "verbatimEventDate": "1947-05-08", "habitat": "Stony (limestone) hills. Abundant along roadside", "occurrenceRemarks": "Plants more or less erect; stems in tufts", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Val Verde", "municipality": "", "locality": "22 miles northwest of Del Rio", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}