/usr/lib/x86_64-linux-gnu/libpsmile.MPI1.so is in liboasis3-dev 3.3.beta.dfsg.1-8build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libpsmile.MPI1.so.0d
/usr/lib/x86_64-linux-gnu/libpsmile.MPI1.so.0d