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
a1b1
c1h6
c1g5
c1f4
c1e3
c1d2
e1e2
e1d1
f1d3
f1e2
g1f3
g1h3
g1e2
a2a4
a2a3
b2b3
c2b1
c2a4
c2b3
c2d1
c2e4
c2d3
c2e2
c2d2
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
c4d5
c4c5

## Board State Fen
rnbq1rk1/ppp2ppp/4p3/3pP3/1bPPn3/2N5/PPQ2PPP/R1B1KBNR w KQ - 1 7
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
a1b1
c1h6
c1g5
c1f4
c1e3
c1d2
e1e2
e1d1
f1d3
f1e2
g1f3
g1h3
g1e2
a2a4
a2a3
b2b3
c2b1
c2a4
c2b3
c2d1
c2e4
c2d3
c2e2
c2d2
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
c4d5
c4c5

## Board State Fen
rnbq1rk1/ppp2ppp/4p3/3pP3/1bPPn3/2N5/PPQ2PPP/R1B1KBNR w KQ - 1 7
assistant
a2a3