-O -i model_step2.mdin -p asph_model.prmtop -c asph_model_step1.rst -o asph_model_step2.out -inf asph.mdinfo -x asph_model_step2.mdcrd -r asph_model_step2.rst
-O -i model_step2.mdin -p asp_model.prmtop -c asp_model_step1.rst -o asp_model_step2.out -inf asp.mdinfo -x asp_model_step2.mdcrd -r asp_model_step2.rst