Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.891\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CCCCC1=CC2=CC(=O)C(C)(OC(=O)CC)C(=O)C2=CN1c1ccc(OC)cc1
(b) CCOC(=O)c1sc(Nc2nc3c(OC)cccc3s2)nc1C
(c) O=S(=O)(NCc1ccccn1)c1ccc2ccccc2c1
(d) Cc1c(C(=O)N2CCN(C)CC2)oc2ccc(S(=O)(=O)N3CCOCC3)cc12
Answer: c. O=S(=O)(NCc1ccccn1)c1ccc2ccccc2c1
{#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)(NCc1ccccn1)c1ccc2ccccc2c1
O=S(=O)(NCc1ccccn1)c1ccc2ccccc2c1
N-(pyridin-2-ylmethyl)naphthalene-2-sulfonamide