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": ""}
UNITED STATES  &C c   I 41.834808 ASTERALES Cz   `I CECIL BILLINGTON     WARREN WOODS, 0  `maculatum (j7Y    1920-09-13 CL.C:      var. 5     s dli EUTROCHIUM MACULATUM VAR. MACULATUM Asteraceae ;     8 -86.624924 berrien 4d8C<  maculatum Ro R 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Eutrochium maculatum var. maculatum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "maculatum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "maculatum", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "1920-09-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Berrien", "municipality": "", "locality": "Warren Woods,", "decimalLatitude": "41.834808", "decimalLongitude": "-86.624924", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}