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": ""}
2607 5=q   polygonaceae U6 1  CITY OF MENOMINEE. BESIDE THE RR TRACK WEST OF THE NORTHWESTERN DEPOT. AiHe     carl o.grassl SmBY     michigan [rj=      s V -87.61667    x W United States    1933-07-16 ZI     1512893 4 
{"catalogNumber": "1512893", "order": "", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "2607", "verbatimEventDate": "1933-07-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "City of Menominee. Beside the RR track west of the Northwestern Depot.", "decimalLatitude": "", "decimalLongitude": "-87.61667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}