Grilled Chix Breasts w/ Tequila-Citrus-Cilantro

4 cloves garlic -- cut in half

3 tablespoons peppered tequila -- see Notes

3 tablespoons fresh lime juice

3 tablespoons fresh orange juice

1 1/2 teaspoons orange zest -- grated

1 teaspoon lime zest -- grated

1/2 teaspoon Caribe chile -- crushed (see Notes)

1/2 teaspoon black pepper -- freshly ground

1 teaspoon brown sugar

3 tablespoons olive oil

3 tablespoons fresh cilantro -- chopped