Unable to have spaces in column names in ddl

MariaDB [innotest1]> CREATE TABLE t10 (`c300_500_18 REF NOx` varchar(20)) ENGINE = innodb;
Query OK, 0 rows affected (0.01 sec)
MariaDB [innotest1]> drop table t10;
Query OK, 0 rows affected (0.00 sec)
MariaDB [innotest1]> CREATE TABLE t10 (`c300_500_18 REF NOx` varchar(20)) ENGINE = columnstore;
ERROR 1178 (42000): The storage engine for the table doesn't support The syntax or the data type(s) is not supported by Columnstore. Please check the Columnstore syntax guide for supported syntax or data types.