preferred_name: nicotinate(out) + a carboxylate(in) => nicotinate(in) + a carboxylate(out)
preferred_name_lc: nicotinate(out) + a carboxylate(in) => nicotinate(in) + a carboxylate(out)
label: nicotinate(out) + a carboxylate(in) => nicotinate(in) + a carboxylate(out)
label_lc: nicotinate(out) + a carboxylate(in) => nicotinate(in) + a carboxylate(out)