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": ""}
AmaranthusU 3   L^C( 1979-08-20  U a 2 LOCALLY FREUQUENT, SANDY GRAVEL PIT.  on n. side of sewage lagoon, mackinaw city.  d  EMMET =L .$   MI|;C michigan       RETROFLEXUS 2~ j8  amaranthus retroflexus   /    S 4w "PLANTS SEEN T1 M. TALL" 45.766216 C5O    15158 .2`   Caryophyllales  ~QJ%     ;nW6K AMARANTHACEAE edward g. voss aC>g 
{"catalogNumber": "", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Amaranthus retroflexus", "scientificNameAuthorship": "", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "retroflexus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "15158", "verbatimEventDate": "1979-08-20", "habitat": "Locally freuquent, sandy gravel pit.", "occurrenceRemarks": "\"Plants seen to 1 m. tall\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "On N. side of sewage lagoon, Mackinaw City.", "decimalLatitude": "45.766216", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}