label: (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate + O2 => (12S)-hydroperoxy-(5Z,8Z,10E,14Z,17Z)-eicosapentaenoate
label_lc: (5z,8z,11z,14z,17z)-eicosapentaenoate + o2 => (12s)-hydroperoxy-(5z,8z,10e,14z,17z)-eicosapentaenoate