Task: Answer the multiple-choice question.
Query: Which compound exhibits a -76.924\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C(CSc1nnc(CNc2ccc(F)cc2)o1)N1CCCc2ccccc21
b CCN1C[C@]2(COC)CC[C@H](OC)[C@@]34C1[C@]1(OCO[C@@]15C[C@H](OC)[C@H]1C[C@@H]3[C@@H]5[C@H]1OC)[C@@H](O)[C@H]24
c CC(=O)N1c2ccc([N+](=O)[O-])cc2NC(=O)CC1C
d CCOc1ccc(CN2CCN(Cc3[nH]c4ccc(OC)cc4c3C)CC2CCO)cc1
Answer: d. CCOc1ccc(CN2CCN(Cc3[nH]c4ccc(OC)cc4c3C)CC2CCO)cc1
{#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#}
CCOc1ccc(CN2CCN(Cc3[nH]c4ccc(OC)cc4c3C)CC2CCO)cc1
CCOc1ccc(CN2CCN(Cc3[nH]c4ccc(OC)cc4c3C)CC2CCO)cc1
2-[1-[(4-ethoxyphenyl)methyl]-4-[(5-methoxy-3-methyl-1H-indol-2-yl)methyl]piperazin-2-yl]ethanol