Question: How many heavy (non-hydrogen) atoms does this compound have?
 The Chemical can be represented with the SMILES NC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@@H]1CCC(=O)N1.
Result: 26
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
NC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@@H]1CCC(=O)N1
NC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@@H]1CCC(=O)N1
(2S)-N-[(2S)-1-[(2S)-2-aminocarbonylpyrrolidin-1-yl]-3-(1H-imidazol-4-yl)-1-oxidanylidene-propan-2-yl]-5-oxidanylidene-pyrrolidine-2-carboxamide
How many heavy (non-hydrogen) atoms does this compound have?