Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -1.675\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CC(NC(=O)CN1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1)c1ccccc1
(b) COc1cc(C=O)ccc1OCCOCCOc1cc(C)ccc1Cl
(c) CC(C)=CCCC(C)N(C=O)C(C)CCC=C(C)C
(d) Cc1ccc(-c2nn(-c3ccccc3)cc2/C=N/n2c(-c3ccncc3)n[nH]c2=S)cc1
(e) CC(C)(C)OC(=O)N[C@@H](Cc1ccccc1)C(=O)N1CCC(C(=O)NCC(=O)O)CC1
Answer: b. COc1cc(C=O)ccc1OCCOCCOc1cc(C)ccc1Cl
{#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#}
COc1cc(C=O)ccc1OCCOCCOc1cc(C)ccc1Cl
COc1cc(C=O)ccc1OCCOCCOc1cc(C)ccc1Cl
4-[2-[2-(2-chloro-5-methylphenoxy)ethoxy]ethoxy]-3-methoxybenzaldehyde