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": ""}
  x` -102.97629  V: ROGERS MCVAUGH, WALTER N. KOELZ mexico eg-M  CONYZA CONFUSA %jp!N    eA  S1IERRA DEL TIGRE, 3 MILES SOUTH OF MAZAMITLA  !)!k asterales 459 2   1538182 cc H`       19.8935 .i  A MAZAMITLA      3f b 1959-11-10   j!IN CONYZA  
{"catalogNumber": "1538182", "order": "Asterales", "family": "", "scientificName": "Conyza confusa", "scientificNameAuthorship": "", "genus": "Conyza", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh, Walter N. Koelz", "recordNumber": "459", "verbatimEventDate": "1959-11-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Mazamitla", "municipality": "", "locality": "Sierra del Tigre, 3 miles south of Mazamitla", "decimalLatitude": "19.8935", "decimalLongitude": "-102.97629", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}