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": ""}
  mNk: 25   +]/I, MICHIGAN   soil: plainfield loamy sand common everywhere, but much dwarfed; frequently only a few inches high. A@6   @ ^ dc. SECT. 18, CEDAR CREEK TWSP. (!       ambrosia =$M%x      6Uky) Ambrosia psilostachya   h]~fw ~-86.14706       h 1249678
{"catalogNumber": "1249678", "order": "", "family": "", "scientificName": "Ambrosia psilostachya", "scientificNameAuthorship": "DC.", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "25", "verbatimEventDate": "", "habitat": "Soil: Plainfield loamy sand Common everywhere, but much dwarfed; frequently only a few inches high.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Sect. 18, Cedar Creek Twsp.", "decimalLatitude": "", "decimalLongitude": "-86.14706", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}