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": ""}
   @a insularis    !2=/ Low oak forest on limestone mountains  2b8   1120584 Poaceae rA|   poales q   4141h !<`V~   J MEXICO 23.6753 A$3[M  914 D  /     1=R (L.r) MEZ EX EKMAN  C J. Graham & M. Johnston 1959-09-29 <_yTl    G+[ digitaria insularis digitaria :(_   8avN; -99.2711   ~ TAMAULIPAS  9 hb  las burras; 9 mi byroad w of victoria toward jaumave
{"catalogNumber": "1120584", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria insularis", "scientificNameAuthorship": "(L.) Mez ex Ekman", "genus": "Digitaria", "subgenus": "", "specificEpithet": "insularis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Graham & M. Johnston", "recordNumber": "4141H", "verbatimEventDate": "1959-09-29", "habitat": "Low oak forest on limestone mountains", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Tamaulipas", "county": "", "municipality": "", "locality": "Las Burras; 9 mi by road W of Victoria toward Jaumave", "decimalLatitude": "23.6753", "decimalLongitude": "-99.2711", "verbatimCoordinates": "", "minimumElevationInMeters": "914", "maximumElevationInMeters": ""}