preferred_name: an N-acyl-L-homoserine + H(+) => an N-acyl-L-homoserine lactone + H2O
preferred_name_lc: an n-acyl-l-homoserine + h(+) => an n-acyl-l-homoserine lactone + h2o
label: an N-acyl-L-homoserine + H(+) => an N-acyl-L-homoserine lactone + H2O
label_lc: an n-acyl-l-homoserine + h(+) => an n-acyl-l-homoserine lactone + h2o