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": ""}
    4122 V  croton arboreus y6 0   <?w PETEN  X:] Libertad-Flores road   1665902 ^(    ARBOREUS dnz  c.l ludell ~z    Guatemala Zx7=9   h 1933-06-12 croton bws h   O<T P.E. BERRY     +| euphorbaceae    millsp. Malpighiales yI_ 
{"catalogNumber": "1665902", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton arboreus", "scientificNameAuthorship": "Millsp.", "genus": "Croton", "subgenus": "", "specificEpithet": "arboreus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P.E. Berry", "recordedBy": "C.L. Lundell", "recordNumber": "4122", "verbatimEventDate": "1933-06-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "Peten", "county": "", "municipality": "", "locality": "Libertad-Flores road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}