Task: Answer the MCQ question.
Question: Which drug exhibits a 9.840\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) Br.c1cc2c(cc1-c1csc(NNC3=NCCCCC3)n1)OCCO2
(b) O=c1oc(-c2cccs2)nc2scc(-c3cccs3)c12
(c) O=C(CN1C(=O)CSC1=O)NC1CCCCC1
(d) O=C(Oc1oc(-c2ccco2)nc1C=Nc1ccc(Cl)cc1)c1ccco1
(e) Cc1cccc(C)c1OCC(C)N.Cl
Answer: b. O=c1oc(-c2cccs2)nc2scc(-c3cccs3)c12
{#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=c1oc(-c2cccs2)nc2scc(-c3cccs3)c12
O=c1oc(-c2cccs2)nc2scc(-c3cccs3)c12
[O][=C][O][C][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][=N][C][S][C][=C][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][C][Ring2][Ring1][Ring1][=Ring1][#Branch2]
2,5-dithiophen-2-ylthieno[2,3-d][1,3]oxazin-4-one