Task: Answer the MCQ question.
Query: Which drug exhibits a 1.749\% 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 other words.
Options:
[a] CCCC(=O)Nc1cc(S(=O)(=O)N2CCCCC2)ccc1N1CCOCC1
[b] O=C(CC(=O)NN=C1CCCC1)NCCc1ccccc1
[c] CCOc1ccc(/C=C2\SC(=O)N(CCNC(=O)C3COc4ccccc4O3)C2=O)cc1OC
[d] O=C(CSCc1ccc(Cl)cc1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: b. O=C(CC(=O)NN=C1CCCC1)NCCc1ccccc1
{#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(CC(=O)NN=C1CCCC1)NCCc1ccccc1
O=C(CC(=O)NN=C1CCCC1)NCCc1ccccc1
N'-(cyclopentylideneamino)-N-(2-phenylethyl)propanediamide