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": ""}
1989-06-24 N   polygonaceae P    ?T Russ Garlitz weed in parking lot. !  united states /fT16      1471373 [x  rumex 7   F2O caryophyllales    3w. -84.348781  a Dm CHIPPEWA        B L.  XT RUMEX OBTUSIFOLIUS   
{"catalogNumber": "1471373", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex obtusifolius", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Russ Garlitz", "recordNumber": "", "verbatimEventDate": "1989-06-24", "habitat": "Weed in parking lot.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Chippewa", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.348781", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}