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": ""}
Ruiz & Pav. PEi6  tetela del uolcã¡n; 4lrededores de tetela del volcã¡n +uEFt   h 1967-07-30    BOSQUE DE PINO Y ENCINO si1    ]( J. FLORES CRESPO   g.c. tucker  qh0G   CVPERACEAE  4ig       CYPERUS NIGER E~  -98.7316 Q)kOO       181 F>* u 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Cyperus niger", "scientificNameAuthorship": "Ruiz & Pav.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G.C. Tucker", "recordedBy": "J. Flores Crespo", "recordNumber": "181", "verbatimEventDate": "1967-07-30", "habitat": "Bosque de pino y encino", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Tetela del Volc\u00c3\u00a1n; Alrededores de Tetela del Volc\u00c3\u00a1n", "decimalLatitude": "", "decimalLongitude": "-98.7316", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}