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": ""}
 & JATROPKHA MACRORHIZA  Euphorbiaceae c/kM+  no dat 4y    1643421 s#1   H. S. Gentry Ur +V       K1  Arizona   CANYON SLOP3 WITH OAKS `O   macrorhiza `        <# 3263   
{"catalogNumber": "1643421", "order": "", "family": "Euphorbiaceae", "scientificName": "Jatropha macrorhiza", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "macrorhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. S. Gentry", "recordNumber": "3263", "verbatimEventDate": "", "habitat": "Canyon slope with oaks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Arizona", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}