Question: How many hydrogen bond acceptors does this compound have?
 The Molecule has the SMILES Cc1cc(C)c2c3ccccc3n(Cc3cccc([C@@H](C(=O)N[C@@H](CO)c4ccccc4)C4CCCC4)c3)c2n1.
Answer: 4
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
Cc1cc(C)c2c3ccccc3n(Cc3cccc([C@@H](C(=O)N[C@@H](CO)c4ccccc4)C4CCCC4)c3)c2n1
Cc1cc(C)c2c3ccccc3n(Cc3cccc([C@@H](C(=O)N[C@@H](CO)c4ccccc4)C4CCCC4)c3)c2n1
(2S)-2-cyclopentyl-2-[3-[(2,4-dimethylpyrido[2,3-b]indol-9-yl)methyl]phenyl]-N-[(1R)-2-hydroxy-1-phenylethyl]acetamide
How many hydrogen bond acceptors does this compound have?
4