At first glance, Penicillin is like any other upscale bar: dimly lit with plush green velvet benches around low tables, guests sipping on cocktails and snacking on bowls of salty chips, with sultry jazz humming in the background.At first glance, Penicillin is like any other upscale bar: dimly lit with plush green velvet benches around low tables, guests sipping on cocktails and snacking on bowls of salty chips, with sultry jazz humming in the background.