Task: Answer the MCQ question.
Query: Which drug has a -12.281\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) O=C(CN1CCCCC1)N1CCCc2c1c(=O)oc1ccc(OCc3ccccc3)cc21
(b) Cc1ccc(CNC(=O)CN2CCN(Cc3ccc(C)cc3)C2=O)cc1
(c) C[C@@H]1CCC(=O)N(CC[C@H](N=[N+]=[N-])c2ccccc2)CC1
(d) O=C(Nc1ccncc1)Nc1cccc(C(F)(F)F)c1
(e) CN(C(=O)CSc1nnc(COc2ccccc2F)n1N)C1CCS(=O)(=O)C1
Answer: a. O=C(CN1CCCCC1)N1CCCc2c1c(=O)oc1ccc(OCc3ccccc3)cc21
{#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(CN1CCCCC1)N1CCCc2c1c(=O)oc1ccc(OCc3ccccc3)cc21
O=C(CN1CCCCC1)N1CCCc2c1c(=O)oc1ccc(OCc3ccccc3)cc21
9-phenylmethoxy-4-(2-piperidin-1-ylacetyl)-2,3-dihydro-1H-chromeno[3,4-b]pyridin-5-one