Boggles my mind someone would want their hous to look like a JC Penny but as long as the significant other is happy it's all good!
That said, of indeed it's glued together it's not MEANT to come apart so I'd spend some more time figuring out how to move it as-is
Also, acetone is the entire point of trying nail polish remover. Acetone is why nail polish remover dissolves super glue.
heat is a reliable way to release super glue as well. It'll probably get hot enough to release the glue before melting the connector pieces. Hear slowly though, so the heat his time to migrate through the plastic and doesn't melt the thinner parts