label: 4-coumaroyl-CoA + S-adenosyl-L-methionine = N-(4-coumaroyl)-L-homoserine lactone + S-methyl-5'-thioadenosine + CoA + H(+)
label_lc: 4-coumaroyl-coa + s-adenosyl-l-methionine = n-(4-coumaroyl)-l-homoserine lactone + s-methyl-5'-thioadenosine + coa + h(+)