Task: Please answer the following question about the molecule with SMILES NCCNc1ccc(NCCN)c2c1C(=O)c1ccncc1C2=O.O=C(O)/C=C\C(=O)O.O=C(O)/C=C\C(=O)O.
Request: How many hydrogen bond donors does this compound have?
Result: 4
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
NCCNc1ccc(NCCN)c2c1C(=O)c1ccncc1C2=O.O=C(O)/C=C\C(=O)O.O=C(O)/C=C\C(=O)O
NCCNc1ccc(NCCN)c2c1C(=O)c1ccncc1C2=O.O=C(O)/C=C\C(=O)O.O=C(O)/C=C\C(=O)O
6,9-bis(2-aminoethylamino)benzo[g]isoquinoline-5,10-dione;(Z)-but-2-enedioic acid
How many hydrogen bond donors does this compound have?