Question: How many rotatable bonds does this compound have?
Constraint: The Chemical can be represented with the SMILES O=C(O)CC[C@H](NC(=O)N[C@@H](CCCCNC(=O)c1ccc([18F])nc1)C(=O)O)C(=O)O.
Answer: 13
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=C(O)CC[C@H](NC(=O)N[C@@H](CCCCNC(=O)c1ccc([18F])nc1)C(=O)O)C(=O)O
O=C(O)CC[C@H](NC(=O)N[C@@H](CCCCNC(=O)c1ccc([18F])nc1)C(=O)O)C(=O)O
(2S)-2-[[(1S)-1-carboxy-5-[(6-(18F)fluoranylpyridine-3-carbonyl)amino]pentyl]carbamoylamino]pentanedioicacid
How many rotatable bonds does this compound have?