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
a1c1
a1b1
a1a6
a1a5
a1a4
a1a3
a1a2
d1e2
d1b1
d1c1
d1e1
d1d4
d1d3
d1d2
f1e1
g1h1
c2c4
c2c3
g2g4
g2g3
h2h4
h2h3
b3b4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
d5c3
d5c7
d5e3
d5e7
d5b4
d5b6
d5f4
d5f6

## Board State Fen
2rq1rk1/1p3ppp/p2pbb2/3Np3/4P3/1P3N2/1PP2PPP/R2Q1RK1 w - - 2 15
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
a1c1
a1b1
a1a6
a1a5
a1a4
a1a3
a1a2
d1e2
d1b1
d1c1
d1e1
d1d4
d1d3
d1d2
f1e1
g1h1
c2c4
c2c3
g2g4
g2g3
h2h4
h2h3
b3b4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
d5c3
d5c7
d5e3
d5e7
d5b4
d5b6
d5f4
d5f6

## Board State Fen
2rq1rk1/1p3ppp/p2pbb2/3Np3/4P3/1P3N2/1PP2PPP/R2Q1RK1 w - - 2 15
assistant
c2c3