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": ""}
 Km fabaceae  1959-03-06 SqtM   P. ALLEN & R. ARMOUR /23o]    B el salvador    h Contact UM Herbarium            7-  D.S. Seigler    q 7257 Mariosousa pTz     aR5 1148356  @ MARIOSOUSA DOLICHOSTACHVA 
{"catalogNumber": "1148356", "order": "", "family": "Fabaceae", "scientificName": "Mariosousa dolichostachya", "scientificNameAuthorship": "", "genus": "Mariosousa", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "D.S. Seigler", "recordedBy": "P. Allen & R. Armour", "recordNumber": "7257", "verbatimEventDate": "1959-03-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "El Salvador", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}