Task: Answer the multiple-choice question.
Query: Which drug exhibits a -8.242\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(c1cc([N+](=O)[O-])ccc1N1CCOCC1)N1CCN(S(=O)(=O)c2ccc(F)cc2)CC1
(b) CC(NC(=O)CCc1nc2cc(S(=O)(=O)N3CCOCC3)ccc2n1C)c1ccc(S(N)(=O)=O)cc1
Answer: b. CC(NC(=O)CCc1nc2cc(S(=O)(=O)N3CCOCC3)ccc2n1C)c1ccc(S(N)(=O)=O)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#}
CC(NC(=O)CCc1nc2cc(S(=O)(=O)N3CCOCC3)ccc2n1C)c1ccc(S(N)(=O)=O)cc1
CC(NC(=O)CCc1nc2cc(S(=O)(=O)N3CCOCC3)ccc2n1C)c1ccc(S(N)(=O)=O)cc1
3-(1-methyl-5-morpholin-4-ylsulfonylbenzimidazol-2-yl)-N-[1-(4-sulfamoylphenyl)ethyl]propanamide