Task: Answer the MCQ question.
Query: Which drug exhibits a -2.868\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CN1C(=O)CC(N2CCN(C(=O)c3ccccc3)CC2)C1=O
[b] Cc1ccccc1CS(=O)(=O)CC1(O)CCN(C(=O)c2cccc(C(F)(F)F)c2)CC1
[c] CCn1c(-c2cccnc2Cl)nc2cc(C)c(C)cc21
[d] OC(CN1CCN(c2ccccc2)CC1)c1ccc2c(c1)CCN2
[e] Cc1cc(C)c(COc2ccc(/C=N/n3c(C)n[nH]c3=S)cc2)c(C)c1
Answer: c. CCn1c(-c2cccnc2Cl)nc2cc(C)c(C)cc21
{#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#}
CCn1c(-c2cccnc2Cl)nc2cc(C)c(C)cc21
CCn1c(-c2cccnc2Cl)nc2cc(C)c(C)cc21
2-(2-chloropyridin-3-yl)-1-ethyl-5,6-dimethylbenzimidazole