Task: Answer the multiple choice question.
Question: Which drug exhibits a -6.509\% 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. N#Cc1nc(COc2cccc(Cl)c2)oc1NCCN1CCOCC1
b. COC(=O)C1=C(c2ccc(S(C)(=O)=O)cc2)C[C@@H]2CC[C@H]1N2C(=O)N1CCC(O)CC1
c. Cc1ccc(C)c(Cn2nnc3c(=O)[nH]c(C4CCCN(S(=O)(=O)Cc5ccccc5)C4)nc32)c1
d. Cc1ccc(N2CCN(CCc3ccccc3)CC2)cc1
Answer: d. Cc1ccc(N2CCN(CCc3ccccc3)CC2)cc1
{#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#}
Cc1ccc(N2CCN(CCc3ccccc3)CC2)cc1
Cc1ccc(N2CCN(CCc3ccccc3)CC2)cc1
1-(4-methylphenyl)-4-(2-phenylethyl)piperazine