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": ""}
maculatum g   o#QgM 2473   menominee O^lg     VAR. TN.       o e4 michigan   UNITED STATES 36 d      x EUTROCHIUM   -Z 1983-07-28    1253978 Ju:hg 
{"catalogNumber": "1253978", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Eutrochium", "subgenus": "", "specificEpithet": "maculatum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2473", "verbatimEventDate": "1983-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Menominee", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}