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": ""}
 Mobile Lql         <EC 1489729   s.n. sn   @U.=H United States    cordata Ll     cordata *    PONTEDERIA CORDATA VAR. CORDAT j   6<L 1842-05-10 Pontederia ;o) e   
{"catalogNumber": "1489729", "order": "", "family": "", "scientificName": "Pontederia cordata var. cordata", "scientificNameAuthorship": "", "genus": "Pontederia", "subgenus": "", "specificEpithet": "cordata", "verbatimTaxonRank": "", "infraspecificEpithet": "cordata", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1842-05-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Mobile", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}