Task: Answer the multiple-choice question.
Query: Which drug has a 3.348\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CN(C)S(=O)(=O)c1cccc(NC(=O)COc2ccc3ccccc3c2)c1
[b] O=S(=O)(c1ccc(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc1)N1CCOCC1
[c] CC(=O)Nc1ccc(NC(=O)c2sc(-c3ccccc3)nc2C)cc1
Answer: b. O=S(=O)(c1ccc(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc1)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=S(=O)(c1ccc(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc1)N1CCOCC1
O=S(=O)(c1ccc(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc1)N1CCOCC1
4-[6-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]pyridin-3-yl]sulfonylmorpholine