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": ""}
      xb  NUTT.    42.33022 Q U  1973-09-28 :   michigan Gso    ROSALES dv   zB 1004428 UNITED STATES I~1j  Celtis tenuifolia f  cannabaceae npm!   -84.10384 Ml i(   [f+ just sw of juncture of lowery & mcclure rds. WASHTENAW w& 8    N1@kV WARREN H. WAGNER, JR.   683FM 73444 TENUIFOLIA f*Lo 
{"catalogNumber": "1004428", "order": "Rosales", "family": "Cannabaceae", "scientificName": "Celtis tenuifolia", "scientificNameAuthorship": "Nutt.", "genus": "", "subgenus": "", "specificEpithet": "tenuifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Warren H. Wagner, Jr.", "recordNumber": "73444", "verbatimEventDate": "1973-09-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Just SW of juncture of Lowery & McClure Rds.", "decimalLatitude": "42.33022", "decimalLongitude": "-84.10384", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}