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": ""}
   r4d Euphorbia graminea 5mekico :H@@   ?x  euphorbiaceae  -97.5138889 Qh  Euphorbia -NVZ  Y. RAMÃREZ AMEZCUA, V. W. STEINMANN, J. M. PORTER mR  ANUAL ERECTA EN UNA LADERA3 CALIZA; MATORRAL XERÃ³FILO NH   SCXZW jacq.  M+gf 18.0894444  j-bN oaxaca   9IkA MALPIGHIALES  522 h0     J+9 graminea 1660903 /s   zO 18Â°05'22"N, 97Â°30'50"W   37i Sobre la autopista TehuacÃ¡n-Oaxaca  gVQ> 2005-12-10  
{"catalogNumber": "1660903", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia graminea", "scientificNameAuthorship": "Jacq.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "graminea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Y. Ram\u00c3\u00adrez Amezcua, V. W. Steinmann, J. M. Porter", "recordNumber": "522", "verbatimEventDate": "2005-12-10", "habitat": "", "occurrenceRemarks": "Anual erecta en una ladera caliza; matorral xer\u00c3\u00b3filo", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Sobre la autopista Tehuac\u00c3\u00a1n-Oaxaca", "decimalLatitude": "18.0894444", "decimalLongitude": "-97.5138889", "verbatimCoordinates": "18\u00c2\u00b005'22\"N, 97\u00c2\u00b030'50\"W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}