Question: How many rotatable bonds does this compound have?
Constraint: The Chemical can be represented with the SMILES CNC[C@H](O)c1ccc(O)c(O)c1.O=C(O)C(O)C(O)C(=O)O.
Result: 3
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CNC[C@H](O)c1ccc(O)c(O)c1.O=C(O)C(O)C(O)C(=O)O
CNC[C@H](O)c1ccc(O)c(O)c1.O=C(O)C(O)C(O)C(=O)O
2,3-dihydroxybutanedioic acid;4-[(1R)-1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol
How many rotatable bonds does this compound have?