Task: Answer the multiple-choice question.
Query: Which drug has a -3.023\% 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 other words.
Options:
a. O=CNCCCc1nc2ccccc2n1Cc1ccccc1
b. O=C(Nc1ccc(Oc2ncnc3cc(Cl)ccc23)nc1)c1ccc(F)cc1
c. CCCCC1(Cc2cccc([N+](=O)[O-])c2)C(=O)N(c2ccccc2)N(c2ccccc2)C1=O
d. Cc1ccccc1NC(=O)c1ccc2nccnc2c1
Answer: a. O=CNCCCc1nc2ccccc2n1Cc1ccccc1
{#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#}
O=CNCCCc1nc2ccccc2n1Cc1ccccc1
O=CNCCCc1nc2ccccc2n1Cc1ccccc1
N-[3-(1-benzylbenzimidazol-2-yl)propyl]formamide