Sofia Coppola’s new movie On the Rocks is a remarkably subdued affair, which isn’t necessarily an issue. One of Coppola’s biggest strengths is in how she captures loneliness and isolation, and in On the Rocks’ strongest moments the film conveys those emotions in a marriage that has become strained. But Coppola’s movie struggles because its central relationship is a father-daughter story where the actors simply don’t have any chemistry. Stars Bill Murray and Rashida Jones are fine actors, but nothing about their characters’ relationship feels lived-in or refreshingly unique. Without this core component, …