How can we add the arrow up terminator character on ETEXT template without ending in error?

Summary:

Bank required to add the terminator arrow up character within the payment file. When we add it and try to produce an output, it ends in error.

The special character we need to add:

Kindly advise on how to implement this properly on etext template.

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Code Snippet (add any code snippets that support your topic, if applicable):