preferred_name: substance P(1-7) + L-Phe-Gly-L-Leu-L-Met-NH2 => substance P + H2O
preferred_name_lc: substance p(1-7) + l-phe-gly-l-leu-l-met-nh2 => substance p + h2o
label: substance P(1-7) + L-Phe-Gly-L-Leu-L-Met-NH2 => substance P + H2O
label_lc: substance p(1-7) + l-phe-gly-l-leu-l-met-nh2 => substance p + h2o