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": ""}
    VA R. 4Xb        1y =l MEXICO   - f nayarit    LOS COAMILES; NAYAR; 8 KM AL NW DE SAN JUAN PEYOTÃ¡N, EN LOS LÃ­MITES DE NAYARIT Y DURANGO, CAMINO A SAN JUAN PEYOTÃ¡N ;     1989-09-21 l   arista7a  b    Eriochloa aristata var. boxiana B *N   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Eriochloa aristata var. boxiana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "aristata", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1989-09-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nayarit", "county": "", "municipality": "", "locality": "Los Coamiles; Nayar; 8 km al NW de San Juan Peyot\u00c3\u00a1n, en los l\u00c3\u00admites de Nayarit y Durango, camino a San Juan Peyot\u00c3\u00a1n", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}