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
f1b1
f1c1
f1d1
f1e1
f1h1
f1g1
a2a4
a2a3
a1e1
a1d1
a1c1
a1b1
e2d1
e2d3
e2b2
e2c2
e2d2
e2e1
e2e3
g2h1
h2h1
h2g1
b3b4
c3b1
c3b5
c3d1
c3d5
c3a4
f3e1
f3e5
f3g1
f3g5
f3d2
f3d4
f3h4
g3g4
h3h4
c4c5
e4e5

## Board State Fen
1rqr2k1/ppp2pbp/4bnp1/8/2PpP3/1PN2NPP/P3QPBK/R4R2 w - - 0 16
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
f1b1
f1c1
f1d1
f1e1
f1h1
f1g1
a2a4
a2a3
a1e1
a1d1
a1c1
a1b1
e2d1
e2d3
e2b2
e2c2
e2d2
e2e1
e2e3
g2h1
h2h1
h2g1
b3b4
c3b1
c3b5
c3d1
c3d5
c3a4
f3e1
f3e5
f3g1
f3g5
f3d2
f3d4
f3h4
g3g4
h3h4
c4c5
e4e5

## Board State Fen
1rqr2k1/ppp2pbp/4bnp1/8/2PpP3/1PN2NPP/P3QPBK/R4R2 w - - 0 16
assistant
c3b5