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
c5a3
c5b4
c5a7
c5b6
c5g1
c5f2
c5e3
c5d4
c5f8
c5e7
c5d6
g4g3
h5h6
h5h4
h5g6
h5g5

## Board State Fen
8/8/P7/1Nb4k/6p1/8/6K1/8 b - - 0 49
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
c5a3
c5b4
c5a7
c5b6
c5g1
c5f2
c5e3
c5d4
c5f8
c5e7
c5d6
g4g3
h5h6
h5h4
h5g6
h5g5

## Board State Fen
8/8/P7/1Nb4k/6p1/8/6K1/8 b - - 0 49
assistant
h5h4