Task: Answer the following question about the molecule with SMILES O=c1oc2ccccc2c(O)c1Cc1c(O)c2ccccc2oc1=O.
Request: How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?
Completion: 6
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=c1oc2ccccc2c(O)c1Cc1c(O)c2ccccc2oc1=O
O=c1oc2ccccc2c(O)c1Cc1c(O)c2ccccc2oc1=O
4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one
How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?