Task: Answer the MCQ question.
Question: Which compound exhibits a -3.498\% 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.) Oc1cc2ccccc2nc1-c1ccccc1Cl
b.) CCO[C@H]1OC(C(N)=O)=C[C@@H](c2coc3ccccc3c2=O)[C@@H]1CCCO
c.) O=C1Nc2ccccc2/C1=C/c1ccc([N+](=O)[O-])cc1
d.) O=CN1N=C(c2ccccc2)CC1c1ccc(Cl)cc1
Answer: d. O=CN1N=C(c2ccccc2)CC1c1ccc(Cl)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#}
O=CN1N=C(c2ccccc2)CC1c1ccc(Cl)cc1
O=CN1N=C(c2ccccc2)CC1c1ccc(Cl)cc1
3-(4-chlorophenyl)-5-phenyl-3,4-dihydropyrazole-2-carbaldehyde