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": ""}
marshall v^,_   acer saccharvm UV7    a7+M anton a. reznicek 43.01271 H), H    aR 1970-06-30  1ucHj michigan 1333987 K~oeY  Genesee >p  sapindaceae Q   22 acer  beech-maple-basswood woodlot; clay-loam soil on level terrain h_  E OF FLINT, S OF JUNCTURE OF IRISH AND LAPEER DS.  :U[.  one of dominant tree5 pf   K united states   Y2$s -83.55688   saccharum      5e-s sapindales   4MNx 70-20  
{"catalogNumber": "1333987", "order": "Sapindales", "family": "Sapindaceae", "scientificName": "Acer saccharum", "scientificNameAuthorship": "Marshall", "genus": "Acer", "subgenus": "", "specificEpithet": "saccharum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "70-20", "verbatimEventDate": "1970-06-30", "habitat": "beech-maple-basswood woodlot; clay-loam soil on level terrain", "occurrenceRemarks": "one of dominant trees", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Genesee", "municipality": "", "locality": "E of Flint, S of juncture of Irish and Lapeer Rds.", "decimalLatitude": "43.01271", "decimalLongitude": "-83.55688", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}