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": ""}
melilotus 2 m      Ycmyw 1897-06-24 -85.67529 IB  officinalis ~  michigan /Hyf  KSM45694 >     melilotus officinalis :     1346938 n52   42.9633 1f   5 Fabaceae   4 emma j. cole      N%z F4BALES s.n. h$  >  
{"catalogNumber": "1346938", "order": "Fabales", "family": "Fabaceae", "scientificName": "Melilotus officinalis", "scientificNameAuthorship": "", "genus": "Melilotus", "subgenus": "", "specificEpithet": "officinalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "s.n.", "verbatimEventDate": "1897-06-24", "habitat": "", "occurrenceRemarks": "KSM45694", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.9633", "decimalLongitude": "-85.67529", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}