Multiple partitions does not work in ALTER TABLE

Error parsing DDL statement and updating tables: ALTER TABLE flat_view_request_log REORGANIZE PARTITION p_max INTO ( PARTITION p_2018_01_17 VALUES LESS THAN ('2018-01-17'), PARTITION p_2018_01_18 VALUES LESS THAN ('2018-01-18'), PARTITION p_max VALUES LESS THAN MAXVALUE)