Based on the SMILES O=C(O)/C=C/c1ccc([O-])c(O)c1, the molecule can be described as:
The molecule is the conjugate base of trans-caffeic acid; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a trans-caffeic acid.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule can be described {#by|as!}:
{description#}
4-[(E)-2-carboxyethenyl]-2-hydroxyphenolate
The molecule is the conjugate base of trans-caffeic acid; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a trans-caffeic acid.