Task: Please create a SMILES based on the text description below.
Description: The molecule is the trianion resulting from the removal of three protons from phosphonoformic acid. It is a conjugate base of a phosphonoformic acid and a phosphonoformate(2-).
Result: O=C([O-])P(=O)([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-])P(=O)([O-])[O-]
phosphonatoformate
The molecule is the trianion resulting from the removal of three protons from phosphonoformic acid. It is a conjugate base of a phosphonoformic acid and a phosphonoformate(2-).