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": ""}
   B&|~ R. Lowden Nicaragua MR      J: ROTUNDIFOLIA        x A. NOVELO RETANA   j4[8J contact um herbarium          hno* Commelinales  z 1142294  _) pontederiCa rotundifolia
{"catalogNumber": "1142294", "order": "Commelinales", "family": "", "scientificName": "Pontederia rotundifolia", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. Novelo Retana", "recordedBy": "R. Lowden", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Nicaragua", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}