Task: Answer the MCQ question.
Query: Which compound exhibits a 14.440\% 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 additional words.
Options:
a O=S(=O)(c1ccc(Br)c2ccccc12)N1CCOCC1
b Cn1c(=O)oc2cc(S(=O)(=O)N3CCC(C(=O)NCc4ccc(F)cc4)CC3)ccc21
c CSc1ncc(CN2CCN(C3CCCCC3)C(CCO)C2)cn1
d Cc1cc2c(cc1S(=O)(=O)N(C)c1ccccc1)n(C)c(=O)n2C
Answer: a. O=S(=O)(c1ccc(Br)c2ccccc12)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(Br)c2ccccc12)N1CCOCC1
O=S(=O)(c1ccc(Br)c2ccccc12)N1CCOCC1
4-(4-bromonaphthalen-1-yl)sulfonylmorpholine