Task: Answer the multiple-choice question.
Question: Which drug has a 6.538\% 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) COc1cc(S(=O)(=O)N2CCOCC2)cc(C(=O)OCC(=O)NC2CCCCC2)c1OC
(b) C=CCn1cnc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1cccc(OC)c1OC
(c) CCc1cccc(NC2c3ccccc3C(=O)N2c2ccc(C)cn2)c1
(d) CNC(=O)C1CCN(S(=O)(=O)c2c(C)noc2/C=C/c2cccc(OC)c2)CC1
Answer: b. C=CCn1cnc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1cccc(OC)c1OC
{#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#}
C=CCn1cnc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1cccc(OC)c1OC
C=CCn1cnc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1cccc(OC)c1OC
17-[(E)-(2,3-dimethoxyphenyl)methylideneamino]-13-prop-2-enyl-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one