Task: Answer the MCQ question.
Query: Which drug exhibits a 8.500\% 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 other words.
Options:
[a] CCc1ccc(CN(C)Cc2nc(Cc3cccc(C(F)(F)F)c3)no2)nc1
[b] COC(CNC(=O)c1c[nH]c2ccc(S(=O)(=O)N3CCOCC3)cc2c1=O)OC
[c] COc1cc(S(=O)(=O)NCc2ccncc2)c(OC)cc1Br
[d] O=C(NCc1ccc(Cl)cc1)c1ccncc1
Answer: d. O=C(NCc1ccc(Cl)cc1)c1ccncc1
{#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=C(NCc1ccc(Cl)cc1)c1ccncc1
O=C(NCc1ccc(Cl)cc1)c1ccncc1
N-[(4-chlorophenyl)methyl]pyridine-4-carboxamide