create table tst1(pk number, col1 clob, col2 clob);
create index tst1_ix on tst1(pk);

alter table tst1 move tablespace users STORAGE (INITIAL 1M NEXT 1M);
alter index tst1_ix rebuild tablespace users STORAGE (INITIAL 1M NEXT 1M);

select object_name, object_type, created from user_objects where created > sysdate -1/24/60;
...

select segment_name, segment_type, tablespace_name 
from user_segments 
where segment_name in ('SYS_LOB0000067258C00002$$', 'SYS_LOB0000067258C00003$$', 'TST1')

SEGMENT_NAME              SEGMENT_TYPE   TABLESPACE_NAME
TST1                      TABLE          USERS
SYS_LOB0000067258C00002$$ LOBSEGMENT     TST_DATA
SYS_LOB0000067258C00003$$ LOBSEGMENT     TST_DATA