User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is an acyclic mixed acid anhydride formed by condensation of phosphoric acid with carbonic acid. It is an acyclic mixed acid anhydride, an organic phosphate and a one-carbon compound. It is a conjugate acid of a carboxyphosphate(2-).
Assistant: This is a molecule that fits your description: O=C(O)OP(=O)(O)O
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
phosphono hydrogen carbonate
The molecule is an acyclic mixed acid anhydride formed by condensation of phosphoric acid with carbonic acid. It is an acyclic mixed acid anhydride, an organic phosphate and a one-carbon compound. It is a conjugate acid of a carboxyphosphate(2-).