Task: Answer the multiple choice question.
Query: Which compound has a 21.093\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) COc1ccc(C(=O)N2CCCCCC2)cc1S(=O)(=O)N1CCOCC1
(b) O=C(Nc1ccn(Cc2ccc(F)cc2)n1)c1ccncc1
(c) O=[N+]([O-])c1ccc(C(O)CN2CCN(Cc3ccccc3)CC2)cc1
(d) Oc1ccccc1/C=N/NC(=S)NC1CC2CCC1C2
(e) COc1ccccc1-n1c(SCC(=O)Nc2nnc(C)s2)nc2c(c1=O)SCC2
Answer: b. O=C(Nc1ccn(Cc2ccc(F)cc2)n1)c1ccncc1
{#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=C(Nc1ccn(Cc2ccc(F)cc2)n1)c1ccncc1
O=C(Nc1ccn(Cc2ccc(F)cc2)n1)c1ccncc1
N-[1-[(4-fluorophenyl)methyl]pyrazol-3-yl]pyridine-4-carboxamide