Find the Key

Find the DOGS hidden in the text.

Zx1vA8iQnR6LpOY3kT9MfJ5W2XmBq0C7UtDVwFPKoNZjhXY2ErLcQp8A6Oi7Mv5WXRT39BJYk1FOqVC0DpwM1LhXUzR7KoTJ39Er8CY2WpAY6LmB1vXF7NZJO3MqT9PWt8VFKoLC2Er6J5YXYRT9pA1q3vBO7M2WXJFOqT9KoDZLhR8V1CmB7WY2X3FJpA9OqL6vM5T8Wt29KoUJXY3VF1ErqTp8C1Lh6WM9OY2XZvA7RTJ5KoL3MtFq9P8X6N1ErWY8KoLC2JRT9M5W3OXYv7pq1F6XZ9tM2B8d0G$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