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": ""}
 1906-09-02 !Y  united states WE4av  dichotomum aIN   POALES R^S     AMANDA SAVILLE y/      dichotomum 3a      g;G 42.109791    CT  MOIST SOIL, LAKE BOTTOM.      kM -86.080168   @ MICHIGAN
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "dichotomum", "verbatimTaxonRank": "", "infraspecificEpithet": "dichotomum", "identifiedBy": "Amanda Saville", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1906-09-02", "habitat": "moist soil, Lake bottom.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.109791", "decimalLongitude": "-86.080168", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}