Task: Answer the multiple choice question.
Query: Which compound exhibits a -0.472\% 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 additional words.
Options:
a) O=C(N/N=C/C1CCCCC1)c1ccccn1
b) Nc1ccc(O)c(C(=O)O)c1
c) CC1CCN(c2nnc(-c3cccs3)c3ccccc23)CC1
d) COc1ccc(Cn2cc3c(-c4ccc(F)cc4)nnc-3c3cc(OC)c(OC)cc32)cc1
e) CCc1c(C(=O)NC2CCCC2)csc1C
Answer: c. CC1CCN(c2nnc(-c3cccs3)c3ccccc23)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#}
CC1CCN(c2nnc(-c3cccs3)c3ccccc23)CC1
CC1CCN(c2nnc(-c3cccs3)c3ccccc23)CC1
[C][C][C][C][N][Branch2][Ring1][Branch2][C][=N][N][=C][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][#C][Ring1][=Branch1][C][C][Ring2][Ring1][Branch1]
4-(4-methylpiperidin-1-yl)-1-(thiophen-2-yl)phthalazine