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": ""}
  7 h3 LIVINGSTON   Michigan  ^m   AMELANCHIER N.   F.N. HAMERSTROM, JR. /E1n   Amelanchier arbora  q,    arborea T60~   r 42.456686  1463360 Bh5:   *h ROSACEAE  2I 1941-07-17  245 xNoM   zDzMC EDWIN S. GEORGE RESERVE: 3 MI. WEST PINCKNEY. GRID K-14.     
{"catalogNumber": "1463360", "order": "", "family": "Rosaceae", "scientificName": "Amelanchier arborea", "scientificNameAuthorship": "", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "arborea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.N. Hamerstrom, Jr.", "recordNumber": "245", "verbatimEventDate": "1941-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Edwin S. George Reserve: 3 mi. west Pinckney. Grid K-14.", "decimalLatitude": "42.456686", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}