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": ""}
 XrQQ MEXICO  P Machaerium riparium       I Mountains along the gravel roao     Robert Merill King ~U   GuFABACEAE 4326 s=g        N? %y SAN LUIS POTOSI   n]f`  Brandegee 21.3053 QK6   B8j macha3rium   )b U v.e. rudd 
{"catalogNumber": "", "order": "", "family": "Fabaceae", "scientificName": "Machaerium riparium", "scientificNameAuthorship": "Brandegee", "genus": "Machaerium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "V.E. Rudd", "recordedBy": "Robert Merill King", "recordNumber": "4326", "verbatimEventDate": "", "habitat": "Mountains along the gravel road", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "", "decimalLatitude": "21.3053", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}