Task: Answer the MCQ question.
Question: Which compound has a 2.791\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(CCc1ccccc1)NCC1OCCc2ccccc21
(b) C#CCn1c(=NC(=O)CSC(C)=O)sc2cc(F)ccc21
(c) C=CCn1c(SCC(=O)NCC2CCCO2)nc2scc(-c3ccc(OC)cc3)c2c1=O
Answer: c. C=CCn1c(SCC(=O)NCC2CCCO2)nc2scc(-c3ccc(OC)cc3)c2c1=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#}
C=CCn1c(SCC(=O)NCC2CCCO2)nc2scc(-c3ccc(OC)cc3)c2c1=O
C=CCn1c(SCC(=O)NCC2CCCO2)nc2scc(-c3ccc(OC)cc3)c2c1=O
2-[5-(4-methoxyphenyl)-4-oxo-3-prop-2-enylthieno[2,3-d]pyrimidin-2-yl]sulfanyl-N-(oxolan-2-ylmethyl)acetamide