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
b1a1
b1h1
b1g1
b1f1
b1e1
b1d1
b1c1
b1b2
g2h3
g2h2
g2h1
g2g1
g2f3
g2f1
b3b4
g3g4
c4c5
b6a4
b6a8
b6c8
b6d5
b6d7

## Board State Fen
8/5pp1/1N2p3/5k1p/2Pb3P/1P4P1/3r1PK1/1R6 w - - 1 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
b1a1
b1h1
b1g1
b1f1
b1e1
b1d1
b1c1
b1b2
g2h3
g2h2
g2h1
g2g1
g2f3
g2f1
b3b4
g3g4
c4c5
b6a4
b6a8
b6c8
b6d5
b6d7

## Board State Fen
8/5pp1/1N2p3/5k1p/2Pb3P/1P4P1/3r1PK1/1R6 w - - 1 38
assistant
b6c8