Task: Answer the MCQ question.
Query: Which drug exhibits a 3.558\% 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) Cc1ccc(CN2CCN(c3ccccc3Cl)CC2)o1
(b) O=C(CSc1nc2ccccc2[nH]1)Nc1ccc(N2CCOCC2)cc1
(c) O=C(NCCCN1CCCC1=O)c1cncc(Br)c1
(d) CCOC(=O)c1sc(C)c2c1NC(c1ccc(N(C)C)cc1)NC2=O
Answer: a. Cc1ccc(CN2CCN(c3ccccc3Cl)CC2)o1
{#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#}
Cc1ccc(CN2CCN(c3ccccc3Cl)CC2)o1
Cc1ccc(CN2CCN(c3ccccc3Cl)CC2)o1
1-(2-chlorophenyl)-4-[(5-methylfuran-2-yl)methyl]piperazine