Task: Answer the MCQ question.
Query: Which drug exhibits a 21.194\% 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] NC(=O)C1CCN(C(=O)CSc2nc3c(c(-c4ccccc4)n2)CCCC3)CC1
[b] CC1(C)N=C(C(=O)c2ccccc2)N(O)C1(C)O
[c] Cc1cc(Nc2cccc(F)c2)nc(NCc2ccccc2)n1
[d] O=C(c1cc(-c2ccco2)nc2ccccc12)N(Cc1nnc(-c2ccc(Cl)cc2)o1)C1CC1
Answer: d. O=C(c1cc(-c2ccco2)nc2ccccc12)N(Cc1nnc(-c2ccc(Cl)cc2)o1)C1CC1
{#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#}
O=C(c1cc(-c2ccco2)nc2ccccc12)N(Cc1nnc(-c2ccc(Cl)cc2)o1)C1CC1
O=C(c1cc(-c2ccco2)nc2ccccc12)N(Cc1nnc(-c2ccc(Cl)cc2)o1)C1CC1
N-[[5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl]methyl]-N-cyclopropyl-2-(furan-2-yl)quinoline-4-carboxamide