Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.324\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] OCCNc1nc2ccccc2n1CC(O)c1ccccc1
[b] COc1ccc(N2CC(C(=O)NCCN3C(=O)S/C(=C\c4cccnc4)C3=O)CC2=O)c(OC)c1
[c] Cc1ccnc(-n2c(-c3ccccc3)nc3ccccc3c2=O)c1
[d] O=C(NCCN1CCCCCC1)C1CCN(S(=O)(=O)N2CCOCC2)CC1
Answer: a. OCCNc1nc2ccccc2n1CC(O)c1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
OCCNc1nc2ccccc2n1CC(O)c1ccccc1
OCCNc1nc2ccccc2n1CC(O)c1ccccc1
2-[2-(2-hydroxyethylamino)benzimidazol-1-yl]-1-phenylethanol