Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 1.451\% 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 other words.
Options:
(a) Cc1ccsc1C(=O)Nc1ccc(O)c(-c2nc3ccccc3s2)c1
(b) Cc1ccc(C)c(N2CCN(C(=O)c3ccc(CSc4nc5ccncc5[nH]4)cc3)CC2)c1
(c) COc1ccccc1N1CCN(C(=O)/C=C/c2c(Cl)nc3ccccn23)CC1
(d) O=C(Nc1ccc(N2CCOCC2)c(S(=O)(=O)Nc2ccc(Cl)cc2)c1)c1cnccn1
Answer: b. Cc1ccc(C)c(N2CCN(C(=O)c3ccc(CSc4nc5ccncc5[nH]4)cc3)CC2)c1
{#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#}
[4-(2,5-dimethylphenyl)piperazin-1-yl]-[4-(3H-imidazo[4,5-c]pyridin-2-ylsulfanylmethyl)phenyl]methanone