Task: Answer the multiple-choice question.
Question: Which drug has a 18.068\% 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) O=C(CCn1cnc2ccccc2c1=O)Nc1ccc2c(c1)OCCO2
(b) Cc1ccc(C)c(N2CCN(C(=O)c3cc4c(C)nc5ccccc5c4o3)CC2)c1
(c) CCCCn1c(SCC(=O)N(CC)C2CCS(=O)(=O)C2)nc2cc(S(N)(=O)=O)ccc21
(d) Cc1ccc(N2CC(C(=O)NCC3CCCO3)CC2=O)cc1Cl
Answer: c. CCCCn1c(SCC(=O)N(CC)C2CCS(=O)(=O)C2)nc2cc(S(N)(=O)=O)ccc21
{#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#}
CCCCn1c(SCC(=O)N(CC)C2CCS(=O)(=O)C2)nc2cc(S(N)(=O)=O)ccc21
CCCCn1c(SCC(=O)N(CC)C2CCS(=O)(=O)C2)nc2cc(S(N)(=O)=O)ccc21
2-(1-butyl-5-sulfamoylbenzimidazol-2-yl)sulfanyl-N-(1,1-dioxothiolan-3-yl)-N-ethylacetamide