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
b2a2
b2b1
b2g2
b2f2
b2e2
b2d2
b2c2
b2b4
b2b3
b5b4
c5a3
c5b4
c5a7
c5b6
c5e3
c5d4
c5f8
c5e7
c5d6
e6e5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
g8h8
g8f8

## Board State Fen
6k1/5ppp/P3p3/1pb5/8/4PP2/1r4PP/2R2K2 b - - 2 30
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
b2a2
b2b1
b2g2
b2f2
b2e2
b2d2
b2c2
b2b4
b2b3
b5b4
c5a3
c5b4
c5a7
c5b6
c5e3
c5d4
c5f8
c5e7
c5d6
e6e5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
g8h8
g8f8

## Board State Fen
6k1/5ppp/P3p3/1pb5/8/4PP2/1r4PP/2R2K2 b - - 2 30
assistant
c5f8