As per the standard configuration based on reason code it is not possible to trigger different G/L account as the postings happen respect to the MVT type.
The reason codes more helpful for reporting purpose.If you still want to post to different GL account based on reason code then it needs custom development.
Create custom table with reason codes and accounts.Using user exit call G/L account based on requirement.
Also you need to thing when the material document is posted with 10 Articles and you used reason code for one Article .In this case you post one article G/L posting requirements before you implement.