Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -1.539\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CCc1ccc(CNCCSc2nnnn2C)cc1.Cl
(b) Cl.O=C(CSc1nc2ccccc2[nH]1)N1CCN(C(=O)c2ccco2)CC1
(c) CC(C)CN1C(=O)c2ccc(C(=O)NCc3ccc4c(c3)OCO4)cc2C1=O
(d) CCOc1ccccc1N(C)C(=O)c1sc2ncn(CC(=O)N3CCCCC3C)c(=O)c2c1C
(e) COc1cc(C(CC(=O)N2CCN(c3ccccc3)CC2)c2c(OC)cc(OC)c3ccc(=O)oc23)cc(OC)c1OC
Answer: b. Cl.O=C(CSc1nc2ccccc2[nH]1)N1CCN(C(=O)c2ccco2)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#}
Cl.O=C(CSc1nc2ccccc2[nH]1)N1CCN(C(=O)c2ccco2)CC1
Cl.O=C(CSc1nc2ccccc2[nH]1)N1CCN(C(=O)c2ccco2)CC1
2-(1H-benzimidazol-2-ylsulfanyl)-1-[4-(furan-2-carbonyl)piperazin-1-yl]ethanone;hydrochloride