Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
e6c8
e7c8
b8a7
h8d8

## Board State Fen
1k1R3r/1pp1nppp/p1p1bq2/8/4P3/1NN3P1/PPP1QP1P/5RK1 b - - 0 15
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
e6c8
e7c8
b8a7
h8d8

## Board State Fen
1k1R3r/1pp1nppp/p1p1bq2/8/4P3/1NN3P1/PPP1QP1P/5RK1 b - - 0 15
assistant
h8d8