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 UNITED STATES  SONCHUS ARVENSIS D!IV_   K5 1948-08-20   3 &  ar vensis CHARLES D. RICHARDS QD3V  Houghton Ii  ROADSIDE. Ae   _h7BW L.  SONCHUS Zp  asteraceae  =El      Michigan IV   6? [AURICLES A LITTLE MORE PROMINENT THAN USUAL FOR S. ARVENSIS] 47.09715 fD   ASTERALES  ,9    6s ISLE ROYALE MINE ZSITE. 1334 9   &u,,E 1257812
{"catalogNumber": "1257812", "order": "Asterales", "family": "Asteraceae", "scientificName": "Sonchus arvensis", "scientificNameAuthorship": "L.", "genus": "Sonchus", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "1334", "verbatimEventDate": "1948-08-20", "habitat": "Roadside.", "occurrenceRemarks": "[auricles a little more prominent than usual for S. arvensis]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Isle Royale Mine site.", "decimalLatitude": "47.09715", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}