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": ""}
1960-06-15 0  16.768 4$_    F.J. FernÃ¡ndez Casas  F_p  PIEDRA DEL SOL; 80 MI NW OF TEHUANTEPEC, ALONG ROUTE190 uqU >   S X Euphorbiaceae    MEGACANTHUS =tF@;         Gva 2894   2pU1_ MEXICO     pf malpighiales      > @v CNIDOSCOLUS
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Cnidoscolus", "subgenus": "", "specificEpithet": "megacanthus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.J. Fern\u00c3\u00a1ndez Casas", "recordedBy": "", "recordNumber": "2894", "verbatimEventDate": "1960-06-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Piedra del Sol; 80 mi NW of Tehuantepec, along route190", "decimalLatitude": "16.768", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}