Task: Answer the MCQ question.
Question: Which drug exhibits a -19.506\% human ether-à-go-go related gene (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. O=S(=O)(NCc1ccco1)c1cccc(S(=O)(=O)N2CCCCC2)c1
b. CCc1cc(C(=O)OC)c(NC(=O)CN2CCN(C(=O)C3CCCO3)CC2)s1
c. COc1ccc(N(CC(=O)N/N=C/c2ccc3c(c2)OCO3)S(=O)(=O)c2ccc(NC(C)=O)cc2)cc1
d. CS(=O)(=O)c1ccccc1C(=O)Nc1ccc(-c2nc3ccccc3[nH]2)cc1
Answer: b. CCc1cc(C(=O)OC)c(NC(=O)CN2CCN(C(=O)C3CCCO3)CC2)s1
{#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#}
CCc1cc(C(=O)OC)c(NC(=O)CN2CCN(C(=O)C3CCCO3)CC2)s1
CCc1cc(C(=O)OC)c(NC(=O)CN2CCN(C(=O)C3CCCO3)CC2)s1
methyl 5-ethyl-2-[[2-[4-(oxolane-2-carbonyl)piperazin-1-yl]acetyl]amino]thiophene-3-carboxylate