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": ""}
 vj 251       P= euphorbiaceae    BM (NH) STAFF cultivated from hillier's arboretum, ampfie|d, hampshire X6u!N    E MALPIGHIALES  1662738       Bracts Yellowish green s c?    +Gn Kern. ENGLAND v  POLYCHROMA !u  euphorbia polychroma )     X2 HUampshire   1973-06-19 @.   UNITED KINGDOM E7 
{"catalogNumber": "1662738", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia polychroma", "scientificNameAuthorship": "Kern.", "genus": "", "subgenus": "", "specificEpithet": "polychroma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "BM (NH) Staff", "recordNumber": "251", "verbatimEventDate": "1973-06-19", "habitat": "", "occurrenceRemarks": "Bracts Yellowish green", "associatedTaxa": "", "country": "United Kingdom", "stateProvince": "England", "county": "Hampshire", "municipality": "", "locality": "Cultivated from Hillier's Arboretum, Ampfield, Hampshire", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}