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": ""}
  _Y Michigan  46.745011          t7S 7-ft clumped shrub; fruits green turing blue     CRb -89.042007 arborea +*M   CR|v RUTH B. (ALFORD) MACFARLANE   4487b e    .3yV Ontonagon    LxW9 AMELANCHIER   MICHX. F.) FERNALD 2n    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Michx. f.) Fernald", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "arborea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ruth B. (Alford) MacFarlane", "recordNumber": "4487b", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "7-ft clumped shrub; fruits green turing blue", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "", "decimalLatitude": "46.745011", "decimalLongitude": "-89.042007", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}