Initially we had around 50 suggested ideas but these were reduced and refined over time until we unanimously agreed our theme should be based on 2 Corinthians 5 14 For the love of Christ compels us Savage says

What is the correctly punctuated version of this sentence?
"Initially, we had around 50 suggested ideas but these were reduced and refined over time until we unanimously agreed our theme should be based on 2 Corinthians 5: 14: 'For the love of Christ compels us'", Savage says.