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
d1c2
d1b1
d1c1
d1f1
d1e1
d1d3
d1d2
g1h1
g1f1
a2a4
a2a3
e2c2
e2d2
e2e1
e2e8
e2e7
e2e6
e2e5
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3a5
b3c1
b3c5
b3d2
c3c4

## Board State Fen
r4rk1/p2q3p/1pp2pp1/3p1n2/3P4/1NP5/PP2RPPP/R2Q2K1 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
a1c1
a1b1
d1c2
d1b1
d1c1
d1f1
d1e1
d1d3
d1d2
g1h1
g1f1
a2a4
a2a3
e2c2
e2d2
e2e1
e2e8
e2e7
e2e6
e2e5
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3a5
b3c1
b3c5
b3d2
c3c4

## Board State Fen
r4rk1/p2q3p/1pp2pp1/3p1n2/3P4/1NP5/PP2RPPP/R2Q2K1 w - - 2 21
assistant
a2a4