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": ""}
   agricultural college. +   G ds.n. Michigan fo ^   v42  42.69779  # ksm 42548 [active barcode. on sam3 sheet as 21 may 1895 collection with inactive barcode 128932] UNITED STATES +V   2 Ut RUBRA  1895-05-21 M#CK   Ecc) ulmus rubra  ULMUS X!J  ROSALES H,0/    Homer G. Skeels Z8G   1289328 t     ) -84.44777  ; Ingham  3|3 Muhl. ulmaceae % 4;  
{"catalogNumber": "1289328", "order": "Rosales", "family": "Ulmaceae", "scientificName": "Ulmus rubra", "scientificNameAuthorship": "Muhl.", "genus": "Ulmus", "subgenus": "", "specificEpithet": "rubra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Homer C. Skeels", "recordNumber": "ds.n.", "verbatimEventDate": "1895-05-21", "habitat": "", "occurrenceRemarks": "KSM 42548 [Active barcode. On same sheet as 21 May 1895 collection with inactive barcode 1289329]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ingham", "municipality": "", "locality": "Agricultural College.", "decimalLatitude": "42.69779", "decimalLongitude": "-84.44777", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}