p1: POSITION ATOM=1
p2: POSITION ATOM=2
ann: ANN ARG=p1.x,p2.x NUM_LAYERS=3 NUM_NODES=2,3,1 ACTIVATIONS=Tanh,Tanh  WEIGHTS0=0.1,0.2,0.3,0.4,0.5,0.6 WEIGHTS1=0.7,0.8,0.9  BIASES0=0.1,0.11,0.12 BIASES1=0.13
PRINT ARG=ann.node-0 STRIDE=1 FILE=colvar FMT=%15.4f
