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": ""}
 =Z, 532    Euphorbia  )-    2A L. Wheeler 1158496 ;7L    e SALTILLO EUPHORBIA SERRULA =@fe/  Coahuila <Nr   e 3 malpighiales   v:I - 101.001    @(c 1898  mexico ?[    25.4315 ?dE    Saltillo; Saltillo ?]g4   edward palmer aZ   j2T Engelm.
{"catalogNumber": "1158496", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia serrula", "scientificNameAuthorship": "Engelm.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L. Wheeler", "recordedBy": "Edward Palmer", "recordNumber": "532", "verbatimEventDate": "1898", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Coahuila", "county": "Saltillo", "municipality": "", "locality": "Saltillo; Saltillo", "decimalLatitude": "25.4315", "decimalLongitude": "-101.001", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}