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
b1c1
b1a1
b2b3
f2f4
f2f3
g2f1
g2c6
g2d5
g2e4
g2f3
g2h1
g2h3
g3g4
b5b6
b7a7
b7b6
b7f7
b7e7
b7d7
b7c7
b7b8

## Board State Fen
5k2/1R3pp1/4p2p/1P6/1n1r4/6P1/1P3PB1/1K6 w - - 5 38
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
b1c1
b1a1
b2b3
f2f4
f2f3
g2f1
g2c6
g2d5
g2e4
g2f3
g2h1
g2h3
g3g4
b5b6
b7a7
b7b6
b7f7
b7e7
b7d7
b7c7
b7b8

## Board State Fen
5k2/1R3pp1/4p2p/1P6/1n1r4/6P1/1P3PB1/1K6 w - - 5 38
assistant
b7c7