Question: How many heavy (non-hydrogen) atoms does this compound have?
 The Compound has the SMILES CN1CCC2=C(C1)C(c1ccccc1)c1ccccc12.
Result: 20
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CN1CCC2=C(C1)C(c1ccccc1)c1ccccc12
CN1CCC2=C(C1)C(c1ccccc1)c1ccccc12
2-methyl-9-phenyl-1,3,4,9-tetrahydroindeno[2,1-c]pyridine
How many heavy (non-hydrogen) atoms does this compound have?
20