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": ""}
DAVIDSE gcU   1123058  =            E! poaceae  ]1 Mexico      EL POPO7E; 1 KM AL S DE SAN MARTÃ­N DE BOLAÃ±OS U    I nigra     -103.811 vY=Vd  
{"catalogNumber": "1123058", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Davidse", "genus": "", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "El Popote; 1 km al S de San Mart\u00c3\u00adn de Bola\u00c3\u00b1os", "decimalLatitude": "", "decimalLongitude": "-103.811", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}