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": ""}
DICHANTHELIUM ACUMINATUM JA-      uU K  4750    18 mi S of Bonne Terre alonq Hwy 67 .`    MISSOURI ~AmA         O:J? dich4nthelium  stWcW (sw.) gould & c. a. clark  acuminatum f[   ?z 1428742     
{"catalogNumber": "1428742", "order": "", "family": "", "scientificName": "Dichanthelium acuminatum", "scientificNameAuthorship": "(Sw.) Gould & C. A. Clark", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "acuminatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4750", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "18 mi S of Bonne Terre along Hwy 67", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}