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": ""}
charles n. horn TP  16949 O8  Panama E   Heteranthera Vlu`    3 1142231   contact um herbarium `N    1940-09-03 ?n5!~    EzT H. H. BARTLETT AND T. LASSER COMMELINALES nV  PONTEDERIACEAE  h]5i         2 W ruiz & pav.  heteranthera reniformis Q  
{"catalogNumber": "1142231", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera reniformis", "scientificNameAuthorship": "Ruiz & Pav.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Charles N. Horn", "recordedBy": "H. H. Bartlett and T. Lasser", "recordNumber": "16949", "verbatimEventDate": "1940-09-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Panama", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}