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
c2a2
c2b2
c2c1
c2f2
c2e2
c2d2
c2c8
c2c7
c2c6
c2c5
c2c4
c2c3
b4a3
b4a5
b4e1
b4d2
b4c3
b4f8
b4e7
b4d6
b4c5
e5e4
b6b5
g7g5
g7g6
h7h5
h7h6
g8h8
g8f8
g8f7

## Board State Fen
6k1/6pp/1p6/3Rp3/1b6/1P4NP/2r2PP1/6K1 b - - 0 31
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
c2a2
c2b2
c2c1
c2f2
c2e2
c2d2
c2c8
c2c7
c2c6
c2c5
c2c4
c2c3
b4a3
b4a5
b4e1
b4d2
b4c3
b4f8
b4e7
b4d6
b4c5
e5e4
b6b5
g7g5
g7g6
h7h5
h7h6
g8h8
g8f8
g8f7

## Board State Fen
6k1/6pp/1p6/3Rp3/1b6/1P4NP/2r2PP1/6K1 b - - 0 31
assistant
b4c5