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": ""}
   1 roxb.  gSr4 Pontederia PONTEDERIA SAGITTATA ch(6    ;Wbkh :1970-07-26   RX 7B   C(. A. NOVELO RETANA    <85 pontederiaceae    G&-W  sagittata MEXICO 4pN`@    CONTACT UM HERBARIUM )_O      _ COMNELINALES    w<8 r. lowden  n7V@] 1142306  
{"catalogNumber": "1142306", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Pontederia sagittata", "scientificNameAuthorship": "Roxb.", "genus": "Pontederia", "subgenus": "", "specificEpithet": "sagittata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. Novelo Retana", "recordedBy": "R. Lowden", "recordNumber": "7B", "verbatimEventDate": "1970-07-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}