Task: Answer the multiple choice question.
Question: Which drug has a -17.283\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(S(=O)(=O)Cc2ccc(C(=O)N3CCN(c4ccc(Cl)cc4)CC3)o2)cc1
b) COc1cccc(-c2nn(-c3ccccc3)cc2/C=C(\C#N)C(=O)NCCCn2ccnc2)c1
Answer: a. COc1ccc(S(=O)(=O)Cc2ccc(C(=O)N3CCN(c4ccc(Cl)cc4)CC3)o2)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#}
[4-(4-chlorophenyl)piperazin-1-yl]-[5-[(4-methoxyphenyl)sulfonylmethyl]furan-2-yl]methanone