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": ""}
-105.121 t@     n Alismatales  7mo7 GUAYANENSIS  NEXICO Hh   5CF sagittaria guayanensis subsp. guayanensis  v KU subsp. Rogers McVaugh  UoI      Sagittaria vcN@       B 21.1989    Restaurante de Mariscos la Curva; 3 km NE of Las Varas Qk^Z5    
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "Sagittaria guayanensis subsp. guayanensis", "scientificNameAuthorship": "", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "guayanensis", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Restaurante de Mariscos la Curva; 3 km NE of Las Varas", "decimalLatitude": "21.1989", "decimalLongitude": "-105.121", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}