Task: Answer the multiple-choice question.
Query: Which drug exhibits a 2.157\% human ether-à-go-go related gene (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) O=C(CCSc1ccccc1)N1CCN(c2ccccc2F)CC1
(b) Cc1cccc(NC(=O)c2cn(-c3ccccc3)nc2-c2ccccc2)c1
(c) O=C(Nc1c(C(=O)N2CCN(c3ccccn3)CC2)oc2ccccc12)c1ccc([N+](=O)[O-])cc1
(d) O=C(Nc1nnc(CC(=O)N2CCOCC2)s1)c1cccs1
Answer: a. O=C(CCSc1ccccc1)N1CCN(c2ccccc2F)CC1
{#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(CCSc1ccccc1)N1CCN(c2ccccc2F)CC1
O=C(CCSc1ccccc1)N1CCN(c2ccccc2F)CC1
1-[4-(2-fluorophenyl)piperazin-1-yl]-3-phenylsulfanylpropan-1-one