Min explicit solvent heavy atom rest no shake
 &cntrl
   imin = 1, ntmin = 2, maxcyc = 1000,
   ntwx = 500, ioutfm = 1, ntpr = 50, ntwr = 500, 
   ntc = 1, ntf = 1, ntb = 1, cut = 8.0,  
   igb = 0, saltcon = 0.0,
   ntr = 1, restraintmask = ':1-2 & !@H=', restraint_wt = 5.0,
 &end
