They won with 60 percent field-goal shooting in the first half.
His scoring average dropped to a career-low 18.6 points on 48.4 percent field-goal shooting.
"We just ran out of gas," said Smith, who finished with a team-high 23 points on 7-for-21 field-goal shooting.
But in this series, Miller is averaging just 9.8 points on 28.6 percent field-goal shooting (10 for 35).
Detroit (24-5) held Butler to 17 percent field-goal shooting in the first half.
"Sixty-one percent field-goal shooting doesn't allow you to get out," Riley said.
For the season, she has averaged 18.1 points, 68.9-percent field-goal shooting and 10.3 rebounds.
In 122 games, he averaged 7.4 points, 6.3 rebounds and 1.5 blocks a game on 55.0 percent field-goal shooting.
The most glaring deficiency for the Nets was their 37 percent field-goal shooting.
The catalyst was Hinson, who scored 16 points in the first quarter on 6-for-7 field-goal shooting.