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": ""}
   1207172 =EFD        < Cont4ct UM Herbarium  AMARANTHACEAE =lt p    ].p ORIGINAL LABEL: "FOURMILE RUN, WASHINGTON D.C." SAUER ANNOTATION NOTES TH4T LOC4TION IS NOW ARLINGTON COUNTY, VIRGINIA.  Fwx1 VIRGINIA     1899-08-12 Q^QB)        
{"catalogNumber": "1207172", "order": "", "family": "Amaranthaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1899-08-12", "habitat": "", "occurrenceRemarks": "Original Label: \"Fourmile Run, Washington D.C.\" Sauer annotation notes that location is now Arlington County, Virginia.", "associatedTaxa": "", "country": "", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}