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
g1h1
g1f1
b1a1
b1f1
b1e1
b1d1
b1c1
b1b7
b1b6
b1b5
b1b4
b1b3
b1b2
a2a4
a2a3
f2f3
g2g4
g2g3
h2h4
h2h3
c4b3
c4a6
c4b5
c4f1
c4e2
c4d3
c4e6
c4d5
f4f5

## Board State Fen
r7/pr1bkppp/2p1p3/8/2B2P2/2P5/P4PPP/1R4K1 w - - 0 18
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
g1h1
g1f1
b1a1
b1f1
b1e1
b1d1
b1c1
b1b7
b1b6
b1b5
b1b4
b1b3
b1b2
a2a4
a2a3
f2f3
g2g4
g2g3
h2h4
h2h3
c4b3
c4a6
c4b5
c4f1
c4e2
c4d3
c4e6
c4d5
f4f5

## Board State Fen
r7/pr1bkppp/2p1p3/8/2B2P2/2P5/P4PPP/1R4K1 w - - 0 18
assistant
b1b7