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": ""}
   $z -96.16957      hP c TUXTEPEC   hWL4 1157949 MALPIGHIALES +$)$    _ o02 hirta  qK,3= euphorbia EUPHORBIA HIRTA 7   Eyg 773      ^0bVE chiltepec and vicinity    ynnr 1941-11-02  aSU| ROGERS MCVAUGH  = <O l.  58 MEXICO
{"catalogNumber": "1157949", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia hirta", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "", "recordNumber": "773", "verbatimEventDate": "1941-11-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Tuxtepec", "municipality": "", "locality": "Chiltepec and vicinity", "decimalLatitude": "", "decimalLongitude": "-96.16957", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}