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": ""}
   a<0  hills   tamaulipas ?E [$   6 #t* 1461118 s.n. f$   c. g. pringle Pg     Tampico k JF   : mappia mexicana   1897-06-16 =NT _   (:R@ Boraginales        1 O6$ Mappia  
{"catalogNumber": "1461118", "order": "Boraginales", "family": "", "scientificName": "Mappia mexicana", "scientificNameAuthorship": "", "genus": "Mappia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. G. Pringle", "recordNumber": "s.n.", "verbatimEventDate": "1897-06-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Tamaulipas", "county": "Tampico", "municipality": "", "locality": "Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}