preferred_name: neurotensin(1-11) + L-isoleucyl-L-leucine => neurotensin + H2O
preferred_name_lc: neurotensin(1-11) + l-isoleucyl-l-leucine => neurotensin + h2o
label: neurotensin(1-11) + L-isoleucyl-L-leucine => neurotensin + H2O
label_lc: neurotensin(1-11) + l-isoleucyl-l-leucine => neurotensin + h2o