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": ""}
   h3&< 279 L. Y    SYLVATICUS J      n [label in hand of K.K.Mackenzie, sh3et ex herb. C.K.Dodge]   A -90.052849   75  Iron ore stock piles      # SENECIO SYLVATICUS   asterales P]6  senecio  U|      L0 united states   e= ;michigan  <MZ_GZ asteraceae  >R 46.481288
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Senecio sylvaticus", "scientificNameAuthorship": "L.", "genus": "Senecio", "subgenus": "", "specificEpithet": "sylvaticus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "279", "verbatimEventDate": "", "habitat": "Iron ore stock piles", "occurrenceRemarks": "[label in hand of K.K.Mackenzie, sheet ex herb. C.K.Dodge]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.481288", "decimalLongitude": "-90.052849", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}