Task: Answer the MCQ question.
Question: Which compound exhibits a 7.984\% human ether-à-go-go related gene (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) COc1ccc(C2=Nn3c(nnc3-c3ccccc3)SC2)cc1OC
(b) CCOC(=O)/C=C/C(=O)OCC(=O)Nc1ccc(OC)c(Cl)c1
(c) NC[C@@H]1O[C@H](O[C@@H]2[C@@H](CO)O[C@@H](O[C@@H]3[C@@H](O)[C@H](N)C[C@H](N)[C@H]3O[C@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3N)[C@@H]2O)[C@H](N)[C@@H](O)[C@@H]1O.O=S(=O)(O)O
(d) CC(/C=N/N1CCN(Cc2ccccc2)CC1)=C\c1ccccc1
Answer: b. CCOC(=O)/C=C/C(=O)OCC(=O)Nc1ccc(OC)c(Cl)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-O-[2-(3-chloro-4-methoxyanilino)-2-oxoethyl] 1-O-ethyl (E)-but-2-enedioate