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": ""}
  mj PSILOSTACHYA        1200522 DC. Xn;~5  united states $ o      7934 =b<~   46.30449 DN>   8z NE corner of S.R. 28 and Route 123; 4 miles south of Newberry,  A locally common.   9y:! Asteraceae   #e Michigan  bU Ambrosia psilostachya timothy l. walters 9p   lAn3  -85.50861 recently disturbed old field. associates: solidago altissima, digitaria, phleum pratense, trifolium pratense, conyza canadensis, setaria, echinoKchloa, -sK=  
{"catalogNumber": "1200522", "order": "", "family": "Asteraceae", "scientificName": "Ambrosia psilostachya", "scientificNameAuthorship": "DC.", "genus": "", "subgenus": "", "specificEpithet": "psilostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Timothy L. Walters", "recordNumber": "7934", "verbatimEventDate": "", "habitat": "Recently disturbed old field. Associates: Solidago altissima, Digitaria, Phleum pratense, Trifolium pratense, Conyza canadensis, Setaria, Echinochloa,", "occurrenceRemarks": "Locally common.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "NE corner of S.R. 28 and Route 123; 4 miles south of Newberry,", "decimalLatitude": "46.30449", "decimalLongitude": "-85.50861", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}