Long To CLOB over DB links

db 12.2.0.1 (SOURCE AND TARGET)

We are trying to bring a data from remote database and running into error.

SQL Error: ORA-00997: illegal use of LONG datatype

00997. 00000 - "illegal use of LONG datatype"

*Cause:   

*Action:

INSERT INTO TABLE1 (MESSAGE)
 SELECT  
 MESSAGE
 FROM TABLE2@DBLINK  

TABLE2 - MESSAGE FIELD is LONG data type
MESSAGE     LONG  
TABLE1 - MESSAGE FIELD is CLOB data type
MESSAGE      CLOB   

Can you kindly help me what i am doing wrong here. can i bring the data from long field to clob field over db links?

i have tried below but still same error,

INSERT INTO TABLE1 (MESSAGE)
 SELECT  
 TO_LOB(MESSAGE)
 FROM TABLE2@DBLINK