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": ""}
 GRPM 40897 cp [J  1503865 o      MICHIGAN Q4       medicago z$  fabaceae S  denticulata w    Ingham     B a. a. crozier  WILLD.  d #c   ON COLLEGE FARM, MICHIGAN AGRICULTURAL COLLEGE FF4Zp    x VUD 1895-07-17  I= UNITED STATES
{"catalogNumber": "1503865", "order": "", "family": "Fabaceae", "scientificName": "", "scientificNameAuthorship": "Willd.", "genus": "Medicago", "subgenus": "", "specificEpithet": "denticulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. A. Crozier", "recordNumber": "", "verbatimEventDate": "1895-07-17", "habitat": "", "occurrenceRemarks": "GRPM 40897", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ingham", "municipality": "", "locality": "On college farm, Michigan Agricultural College", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}