Task: Answer the MCQ question.
Query: Which compound exhibits a -0.137\% 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 Cl.O=C(c1ccncc1)N1N=C(c2cccs2)CC1c1ccc(F)cc1
b C=CCn1c(=O)c(CCC(=O)Nc2ccc(N3CCOCC3)cc2)nc2cc(C(F)(F)F)ccc21
c COCCN1C2=C(C(=O)CC(C)(C)C2)C(c2ccc(OC)c(OC)c2)C2=C1CC(C)(C)CC2=O
d Cc1cccc(OCCOC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)c1
Answer: a. Cl.O=C(c1ccncc1)N1N=C(c2cccs2)CC1c1ccc(F)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(c1ccncc1)N1N=C(c2cccs2)CC1c1ccc(F)cc1
Cl.O=C(c1ccncc1)N1N=C(c2cccs2)CC1c1ccc(F)cc1
[3-(4-fluorophenyl)-5-thiophen-2-yl-3,4-dihydropyrazol-2-yl]-pyridin-4-ylmethanone;hydrochloride