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": ""}
15698v5Bc    & s.g. smith     AMERICANUS J sn    1137745 ju!       -  W (pers.) volk. ex schinz & r. keller    kk jerzy rzedowski     vV`A Schoenoplectus americanus  `  6 -99.1334 mexico ZnNz     mexico Z) 
{"catalogNumber": "1137745", "order": "", "family": "", "scientificName": "Schoenoplectus americanus", "scientificNameAuthorship": "(Pers.) Volk. ex Schinz & R. Keller", "genus": "", "subgenus": "", "specificEpithet": "americanus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "S.G. Smith", "recordedBy": "Jerzy Rzedowski", "recordNumber": "15698", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Mexico", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-99.1334", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}