Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 1.049\% 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 COC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)NCc1ccc(OC)c(OC)c1
b O=c1oc2cc(OCc3ccc([N+](=O)[O-])cc3)ccc2c2c1CCCC2
c CCC(NS(=O)(=O)c1ccc(C)cc1)C(=O)N1CCOCCOCCOCC1
d CN(C)[C@@H]1C(=O)C(C(N)=O)=C(O)[C@@]2(O)C(=O)C3=C(O)c4c(O)cccc4[C@@](C)(O)[C@H]3C[C@@H]12
Answer: b. O=c1oc2cc(OCc3ccc([N+](=O)[O-])cc3)ccc2c2c1CCCC2
{#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=c1oc2cc(OCc3ccc([N+](=O)[O-])cc3)ccc2c2c1CCCC2
O=c1oc2cc(OCc3ccc([N+](=O)[O-])cc3)ccc2c2c1CCCC2
3-[(4-nitrophenyl)methoxy]-7,8,9,10-tetrahydrobenzo[c]chromen-6-one