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. Otopappus  : nP otopappus microcephalus 1641 r[    Asteraceae c%     0  mexico  asterales 0hf       + l A   microcephalus     ) S.F.Blake  sBMO 1539133  Colima 4RW=  STEEP WOODED RAVINES IN GORGE OF RIVER; FOREST OFBROSIMUM, ACACIA HINDSII, BURSERA SIMARUBA      q6;AU 1959-12-10   /@s> in gorge of rio cihuatlan (maravasco), road to durazno, jal., near former site of bri dge 13 miles north of santiago
{"catalogNumber": "1539133", "order": "Asterales", "family": "Asteraceae", "scientificName": "Otopappus microcephalus", "scientificNameAuthorship": "S.F.Blake", "genus": "Otopappus", "subgenus": "", "specificEpithet": "microcephalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1641", "verbatimEventDate": "1959-12-10", "habitat": "Steep wooded ravines in gorge of river; forest of Brosimum, Acacia hindsii, Bursera simaruba", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Colima", "county": "", "municipality": "", "locality": "In gorge of Rio Cihuatlan (Maravasco), road to Durazno, Jal., near former site of bridge 13 miles north of Santiago", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}