Task: Answer the MCQ question.
Question: Which drug exhibits a 6.640\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CC1(C)CC2(CC(c3ccccc3)Oc3cc(O)ccc32)NC(=S)N1
[b] C=CCN1CC(C(=O)N2CCC(Cc3ccc(Cl)cc3)(C(=O)OCC)CC2)CC1=O
[c] CCCCOP(=O)(OCCCC)C(Nc1ccccc1)c1ccc2c(c1)OCO2
[d] COCCN(C(=O)COC(=O)c1cnc(C)cn1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
Answer: d. COCCN(C(=O)COC(=O)c1cnc(C)cn1)c1c(N)n(Cc2ccccc2)c(=O)[nH]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#}
COCCN(C(=O)COC(=O)c1cnc(C)cn1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
COCCN(C(=O)COC(=O)c1cnc(C)cn1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
[2-[(6-amino-1-benzyl-2,4-dioxopyrimidin-5-yl)-(2-methoxyethyl)amino]-2-oxoethyl] 5-methylpyrazine-2-carboxylate