How do I add parentheses to a facebook page?

My client is a pharmaceutical company, and I'm creating a Facebook page for them. Their product needs to include a word in parentheses as part of the brand name, but Facebook comes back with an error and won't let me add them. They don't allow symbols on page names.

I see that other pages DO include parentheses, and some even include the registered trademark symbol (®), which their instructions explicitly mention as prohibited. See attached screen shots.

Any ideas how to get around...

How do I add parentheses to a facebook page?

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