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": ""}
 68 .  l. c,W  UNITED STATES _~f    -87.06158 [  trisulca pm U    5 Alismatales     ;wa 45.78116        dj 2018-07-14  ARACEAE ~x%     45.78116 -87.06158 TA2   LEMNA tR  michigan pZ M@ 
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Lemna", "subgenus": "", "specificEpithet": "trisulca", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "68", "verbatimEventDate": "2018-07-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.78116", "decimalLongitude": "-87.06158", "verbatimCoordinates": "45.78116 -87.06158", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}