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": ""}
  Xab occasional in qravel fill.  U michigan   45.765362 q   Emme7 )x    AT SAND PIT ON N SIDE OF MACKINAW CITY SEWAGE LAGOON. Y_  POLYGONACEAE `Q  -84.741325 |    ^I 15854   PE caryophyllales 1471475 + ~  UNITED STATES ;  vB   Fingerh. k]-On   0![ RUMEX    THYRSIFLORUS xN   (NfaU "SEPAL VALVES PINK; STEM APPARENTLY FROM A LONG TAPROOT." [NOTE ALSO SPREADING BASAL LOBES OF LEAF BLADES].
{"catalogNumber": "1471475", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "Fingerh.", "genus": "Rumex", "subgenus": "", "specificEpithet": "thyrsiflorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15854", "verbatimEventDate": "", "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": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "At sand pit on N side of Mackinaw City sewage lagoon.", "decimalLatitude": "45.765362", "decimalLongitude": "-84.741325", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}