Task: Please generate a molecule SMILES based on the text description below.
Description: The molecule is a pentacarboxylic acid anion. It is a conjugate base of a pentetate(2-). It is a conjugate acid of a pentetate(4-).
Result: O=C([O-])CN(CCN(CC(=O)[O-])CC(=O)O)CCN(CC(=O)[O-])CC(=O)O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
O=C([O-])CN(CCN(CC(=O)[O-])CC(=O)O)CCN(CC(=O)[O-])CC(=O)O
2-[2-[carboxylatomethyl-[2-[carboxylatomethyl(carboxymethyl)amino]ethyl]amino]ethyl-(carboxymethyl)amino]acetate
The molecule is a pentacarboxylic acid anion. It is a conjugate base of a pentetate(2-). It is a conjugate acid of a pentetate(4-).