Task: Answer the multiple-choice question.
Question: Which compound exhibits a 19.313\% 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] O=C(COc1ccc(S(=O)(=O)NCc2ccccc2)cc1Cl)N1CCOCC1
[b] Cc1cc(C)c2nc(N3CCC(C(=O)NCCN4CCOCC4)CC3)sc2c1
[c] Cc1cc(=O)n(CC(=O)NCCN2CCOCC2)c2c1c(C)nn2-c1ccccc1
[d] COc1cccc(C(=O)Nc2cccc3ccccc23)c1OC
Answer: a. O=C(COc1ccc(S(=O)(=O)NCc2ccccc2)cc1Cl)N1CCOCC1
{#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(COc1ccc(S(=O)(=O)NCc2ccccc2)cc1Cl)N1CCOCC1
O=C(COc1ccc(S(=O)(=O)NCc2ccccc2)cc1Cl)N1CCOCC1
N-benzyl-3-chloro-4-(2-morpholin-4-yl-2-oxoethoxy)benzenesulfonamide