User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a form of water consisting of two hydrogen atoms covalently bonded to an oxygen-18 atom. It is a water and an isotopically modified compound. It contains an oxygen-18 atom.
Assistant: This is a molecule that fits your description: [18OH2]
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#}
[18OH2]
oxidane
The molecule is a form of water consisting of two hydrogen atoms covalently bonded to an oxygen-18 atom. It is a water and an isotopically modified compound. It contains an oxygen-18 atom.