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": ""}
1471475 Y             &l POLYGONACEAE EMMET $F%   a) OCCASIONAL IN GRAVEL EILL.   5[D7 at sand pit on n side of mackinaw city sewage lagoon.    1hGM 1987-07-05   D Michigan "Sepal valves pink; stem apparently from a long taproot." [Note also spreading basal lobes of leaf blades]. 7gG     /SzNV 45.765362 EDWARD G. IVOSS - DkE  
{"catalogNumber": "1471475", "order": "", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1987-07-05", "habitat": "Occasional in gravel fill.", "occurrenceRemarks": "\"Sepal valves pink; stem apparently from a long taproot.\" [Note also spreading basal lobes of leaf blades].", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "At sand pit on N side of Mackinaw City sewage lagoon.", "decimalLatitude": "45.765362", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}