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": ""}
  ? soil: sandy loam. associes: carex foenea, smilacina racemosa, sisyrinchium xlbidvm, antennaria spp.  D michigan elymus trachycaulus yw`.U   9@<$ trachycaulus  _$  -84.00539  x 1961-07-12    jarl k. hiltunen 8s)       09PO! [edwin s. george reserve] oak-hickory w0ods; gid q-18.  POACEAE  p   united states I%8,  1556025 )u=;      ES. 875 =iqN  Poales !   1 42.45608
{"catalogNumber": "1556025", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus trachycaulus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "trachycaulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jarl K. Hiltunen", "recordNumber": "Res. 875", "verbatimEventDate": "1961-07-12", "habitat": "Soil: Sandy loam. Associes: Carex foenea, Smilacina racemosa, Sisyrinchium albidum, Antennaria spp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "[Edwin S. George Reserve] Oak-hickory woods; grid Q-18.", "decimalLatitude": "42.45608", "decimalLongitude": "-84.00539", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}