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": ""}
   hJ5 araceae  ERY& 18.9675 15682 k        ALISMATALE5 s    spirodela polyrhiza <       freshwater marshes in depressions in palm forest, near sea level. floating in shaded shallow wa7er. fronds reddish beneath. ,D.   manzanillo F    Spf -104.104  ~(k polyrhiza   
{"catalogNumber": "", "order": "Alismatales", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15682", "verbatimEventDate": "", "habitat": "Freshwater marshes in depressions in palm forest, near sea level. Floating in shaded shallow water. Fronds reddish beneath.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Manzanillo", "municipality": "", "locality": "", "decimalLatitude": "18.9675", "decimalLongitude": "-104.104", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}