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
a1d1
a1c1
a1b1
a1a2
e1b1
e1c1
e1d1
e1f1
g1h1
g1f1
e2d1
e2b5
e2c4
e2d3
e2f1
e2h5
e2g4
e2f3
e2a2
e2b2
e2c2
e2d2
e2e6
e2e5
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6

## Board State Fen
1r3rk1/4nppp/2q1p3/1pNp4/pP1P4/P1P5/4QPPP/R3R1K1 w - - 2 21
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
a1d1
a1c1
a1b1
a1a2
e1b1
e1c1
e1d1
e1f1
g1h1
g1f1
e2d1
e2b5
e2c4
e2d3
e2f1
e2h5
e2g4
e2f3
e2a2
e2b2
e2c2
e2d2
e2e6
e2e5
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6

## Board State Fen
1r3rk1/4nppp/2q1p3/1pNp4/pP1P4/P1P5/4QPPP/R3R1K1 w - - 2 21
assistant
g2g4