Question: How many heavy (non-hydrogen) atoms does this compound have?
Constraint: The Chemical has the SMILES CC(O)C(=O)O.
Result: 6
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CC(O)C(=O)O
CC(O)C(=O)O
2-hydroxypropanoic acid
How many heavy (non-hydrogen) atoms does this compound have?