Task: Answer the MCQ question.
Question: Which compound exhibits a -66.564\% human ether-à-go-go related gene (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] CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2cc(OC)c(O)c(OC)c2)CC1
[b] O=C(CCNC(=O)N1CCn2c1nc1ccccc12)NCc1ccccc1Cl
[c] CCOC(=O)C1(CCc2ccccc2)CCN(C(=O)CCn2cncn2)CC1
[d] Cc1sc2ncnc(OCC(=O)N3CCN(S(=O)(=O)c4ccc(Cl)cc4)CC3)c2c1C
Answer: a. CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2cc(OC)c(O)c(OC)c2)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#}
CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2cc(OC)c(O)c(OC)c2)CC1
CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2cc(OC)c(O)c(OC)c2)CC1
ethyl 1-[(4-hydroxy-3,5-dimethoxyphenyl)methyl]-4-(2-phenoxyethyl)piperidine-4-carboxylate