Task: Answer the multiple-choice question.
Query: Which compound has a 22.460\% 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) CCNC(=S)NCCC1=c2ccccc2=N/C1=C\c1c(O)n(C)c(=O)n(C)c1=O
(b) O=C(c1nc2ccc(Cl)cn2c1CNCCc1cnccn1)N1CCCCCCC1
(c) COc1ccc(CN(C)CC(=O)NC(=O)NC2CCCCC2)cc1
(d) COC(C[C@@H]1O[C@@H]1C(=O)[C@H](C)OCc1ccccc1)OC
Answer: a. CCNC(=S)NCCC1=c2ccccc2=N/C1=C\c1c(O)n(C)c(=O)n(C)c1=O
{#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#}
CCNC(=S)NCCC1=c2ccccc2=N/C1=C\c1c(O)n(C)c(=O)n(C)c1=O
CCNC(=S)NCCC1=c2ccccc2=N/C1=C\c1c(O)n(C)c(=O)n(C)c1=O
1-ethyl-3-[2-[(2Z)-2-[(4-hydroxy-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)methylidene]indol-3-yl]ethyl]thiourea