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": ""}
GRATIOT az/w  PHILADELPHICUS PQ         -84.6087 /n      SNH United Stxates  ^V(s Riv3rside   yQ st. louis Michigan 76   Not evident &|(%?   ff No. 46  $  s. n. 1892-05-30 wc$t    L.  Ct/     A. A. Reznicek  8 43.4096 1556574 v A 
{"catalogNumber": "1556574", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "philadelphicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. A. Reznicek", "recordedBy": "Not evident", "recordNumber": "s. n.", "verbatimEventDate": "1892-05-30", "habitat": "Riverside", "occurrenceRemarks": "No. 46", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gratiot", "municipality": "", "locality": "St. Louis", "decimalLatitude": "43.4096", "decimalLongitude": "-84.6087", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}