Task: Answer the MCQ question.
Query: Which compound has a 18.442\% 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) C=CCOC(=O)C1=C[C@H](c2ccc(Br)cc2)C[C@H](OCc2ccc(CO)cc2)O1
(b) COc1cc(CN2CC(=O)N(c3ccc(C)c(Cl)c3)C2=S)cc(OC)c1OC
(c) CC(OC(=O)CCCOc1ccccc1)C(=O)NC(N)=O
(d) O=C(O)C(=O)O.O=C(c1ccc(F)cc1)N1CCN(C2CCC(c3ccccc3)CC2)CC1
Answer: a. C=CCOC(=O)C1=C[C@H](c2ccc(Br)cc2)C[C@H](OCc2ccc(CO)cc2)O1
{#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#}
C=CCOC(=O)C1=C[C@H](c2ccc(Br)cc2)C[C@H](OCc2ccc(CO)cc2)O1
C=CCOC(=O)C1=C[C@H](c2ccc(Br)cc2)C[C@H](OCc2ccc(CO)cc2)O1
prop-2-enyl (2R,4R)-4-(4-bromophenyl)-2-[[4-(hydroxymethyl)phenyl]methoxy]-3,4-dihydro-2H-pyran-6-carboxylate