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": ""}
   .b3v 12720      d UNITED STATES     ~ m|chigan   * 46.19119  oxalidaceae 1bv4    Oxalis acetosella L j`   +u ! acetosella  1968-07-19 r%|Z     4 Frequen7, yellow birch-conifer-sugar maple woods.     f: -89.33399 
{"catalogNumber": "", "order": "", "family": "Oxalidaceae", "scientificName": "Oxalis acetosella", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "acetosella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "12720", "verbatimEventDate": "1968-07-19", "habitat": "Frequent, yellow birch-conifer-sugar maple woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.19119", "decimalLongitude": "-89.33399", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}