Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 1.039\% 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 other words.
Options:
a Cc1cccc(N(C)C(=O)CCS(=O)(=O)c2cccc3nonc23)c1
b CCN1C[C@@]2(COC)C3[C@@H](OC)[C@H]4[C@@H]1[C@@]3(C1C[C@H]3[C@H](OC(C)=O)C1[C@]4(OC(C)=O)C[C@H]3OC)[C@@H](OC)C[C@H]2OC(C)=O
c CCCOP(=O)(OCCC)C(NC(=O)c1ccccc1)=C(Cl)Cl
d CC1=C(NCCc2ccccc2)CCC1=O
Answer: b. CCN1C[C@@]2(COC)C3[C@@H](OC)[C@H]4[C@@H]1[C@@]3(C1C[C@H]3[C@H](OC(C)=O)C1[C@]4(OC(C)=O)C[C@H]3OC)[C@@H](OC)C[C@H]2OC(C)=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#}
CCN1C[C@@]2(COC)C3[C@@H](OC)[C@H]4[C@@H]1[C@@]3(C1C[C@H]3[C@H](OC(C)=O)C1[C@]4(OC(C)=O)C[C@H]3OC)[C@@H](OC)C[C@H]2OC(C)=O
CCN1C[C@@]2(COC)C3[C@@H](OC)[C@H]4[C@@H]1[C@@]3(C1C[C@H]3[C@H](OC(C)=O)C1[C@]4(OC(C)=O)C[C@H]3OC)[C@@H](OC)C[C@H]2OC(C)=O
[(1S,4S,5R,6R,8R,9R,10R,13R,14R,16S,18R)-4,8-diacetyloxy-11-ethyl-6,16,18-trimethoxy-13-(methoxymethyl)-11-azahexacyclo[7.7.2.12,5.01,10.03,8.013,17]nonadecan-14-yl] acetate