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": ""}
 1666483 F gu   1939-07-03 u<BY  Acalypha monostachya  Q  12 miles north of hipolito, road to monclova Y,7p     ACALYPHA ~xi%   spikes red, prostrate h erb T 0AZ   COAHUILA >f49  wV6Q MALPIGHIALES GEOFFREY A. LEVIN 2 g     /RA/u NO DATA   YvM, 1696 cav. W3    R <%  STEPHEN S. WHITE   A<$  monost4chya EUPHORBIACEAE 7S[  mexico bk     
{"catalogNumber": "1666483", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Acalypha monostachya", "scientificNameAuthorship": "Cav.", "genus": "Acalypha", "subgenus": "", "specificEpithet": "monostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Geoffrey A. Levin", "recordedBy": "Stephen S. White", "recordNumber": "1696", "verbatimEventDate": "1939-07-03", "habitat": "", "occurrenceRemarks": "Spikes red, Prostrate herb", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Coahuila", "county": "no data", "municipality": "", "locality": "12 miles north of Hipolito, road to Monclova", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}