Task: Please create a molecule SMILES based on the text description below.
Description: The molecule is the tetracarboxylic acid anion formed by deprotonation of two of the four carboxy groups in ethylenediaminetetraacetic acid (EDTA). It is a conjugate base of an ethylenediaminetetraacetic acid. It is a conjugate acid of an EDTA(3-).
Result: O=C([O-])C[NH+](CC[NH+](CC(=O)[O-])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#}
2-[2-[bis(carboxylatomethyl)azaniumyl]ethyl-(carboxylatomethyl)azaniumyl]acetate
The molecule is the tetracarboxylic acid anion formed by deprotonation of two of the four carboxy groups in ethylenediaminetetraacetic acid (EDTA). It is a conjugate base of an ethylenediaminetetraacetic acid. It is a conjugate acid of an EDTA(3-).