It does. Here's the link, just choose to open via Molly: https://signal.group/#CjQKIK20nMOglqNT8KYw4ZeyChsvA14TTcjtjuC2VF6j6nB5EhDLZ7pQHvOeopr36jq431ow
Discussion
Ah the text is displaying automatically as a URL, I figured it out by copying the raw data from the post and parsing out the link. Then opening in a browser presented the option to open with Molly or Signal