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": ""}
1463906 4    @s michigan  g AMELANCHIER     ROSACEAE oA3   Z[<%r In sand. Dry sandy shaded ground. Plentitul.     7-  SPICATA  rI Charles K. Dodge (lam.) k. koch %i4-$     united states Yu%Rh      west of point lookou. T w   Fl*  amelanchier spicata "IDENTIFIED BY PROF. C.S. SARGENT, SEE RHOORA XIV-144" [TEETH ON SOME LEAVES TOO NUMEROUS - MAY BE INTERIOR COMPLEX] 9eI/  s.n. zD   I>kb arenac
{"catalogNumber": "1463906", "order": "", "family": "Rosaceae", "scientificName": "Amelanchier spicata", "scientificNameAuthorship": "(Lam.) K. Koch", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "spicata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "In sand. Dry sandy shaded ground. Plentiful.", "occurrenceRemarks": "\"Identified by Prof. C.S. Sargent, See Rhodora XIV-144\" [Teeth on some leaves too numerous - may be interior complex]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Arenac", "municipality": "", "locality": "West of Point Lookout.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}