Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 6.483\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Nc1c(Br)cc([N+](=O)[O-])cc1[N+](=O)[O-]
(b) O=C(O)/C=C/C(=O)NNc1ccc([N+](=O)[O-])cc1
(c) Cc1ccc(CS(=O)(=O)c2ncc(Cl)c(C(=O)Nc3nnc(C(C)C)s3)n2)cc1
(d) COc1cc2c(cc1OC)C(C)N(C(=O)c1cc3c(s1)-c1ccccc1OC3)CC2
Answer: d. COc1cc2c(cc1OC)C(C)N(C(=O)c1cc3c(s1)-c1ccccc1OC3)CC2
{#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#}
(6,7-dimethoxy-1-methyl-3,4-dihydro-1H-isoquinolin-2-yl)-(4H-thieno[3,2-c]chromen-2-yl)methanone