Task: Answer the MCQ question.
Question: Which drug exhibits a -3.823\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C1CC(N2CCN(c3ccccc3)CC2)C(=O)N1Cc1ccc(Cl)cc1
[b] C=CCc1ccccc1Oc1cc(F)nc(N)n1
Answer: a. O=C1CC(N2CCN(c3ccccc3)CC2)C(=O)N1Cc1ccc(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=C1CC(N2CCN(c3ccccc3)CC2)C(=O)N1Cc1ccc(Cl)cc1
O=C1CC(N2CCN(c3ccccc3)CC2)C(=O)N1Cc1ccc(Cl)cc1
[O][=C][C][C][Branch2][Ring1][Ring1][N][C][C][N][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Ring1][N][C][=Branch1][C][=O][N][Ring2][Ring1][C][C][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1]
1-[(4-chlorophenyl)methyl]-3-(4-phenylpiperazin-1-yl)pyrrolidine-2,5-dione