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": ""}
 Nicaragu.a yy   .bYj 1970-08-16  da 1142294  L. F. N$,    7AZ 18-0  Q A. NOVELO RETANA  COMMELINALES .           Pontederia rotundifolia 5;6  contact um herbaritum O NO     pontederia ROTUNDIFOLIA ,pn    
{"catalogNumber": "1142294", "order": "Commelinales", "family": "", "scientificName": "Pontederia rotundifolia", "scientificNameAuthorship": "L. f.", "genus": "Pontederia", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. Novelo Retana", "recordedBy": "", "recordNumber": "18-0", "verbatimEventDate": "1970-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Nicaragua", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}