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": ""}
Oaxaca N    f AESCHYNOMENE 4MERICANA  fabaceae o58   ic:T 1148482   Ad_ 0? americana      FABALES n!    z 16.3632  vxq  13684    : aeshynomene  o4g   -94.1962    Roadside ditches X0     9.r&d 1965-10-20 
{"catalogNumber": "1148482", "order": "Fabales", "family": "Fabaceae", "scientificName": "Aeschynomene americana", "scientificNameAuthorship": "", "genus": "Aeschynomene", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "13684", "verbatimEventDate": "1965-10-20", "habitat": "Roadside ditches", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "", "decimalLatitude": "16.3632", "decimalLongitude": "-94.1962", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}