How to fix Execute format error?

EXECUTE FORMAT(  $$ SELECT * FROM %I.%I CROSS JOIN LATERAL json_to_record(%I::json) AS rs(%s); $$,  'public',  'vehicles',  'column_a',  array_to_string(                (SELECT ARRAY(SELECT DISTINCT col FROM vehicles CROSS JOIN LATERAL json_object_keys(column_a::json) AS t(col) ORDER BY col)), ' text , '  ) || ' text'
);