Task: Answer the MCQ question.
Question: Which drug exhibits a 6.688\% 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. O=C(Cn1nnc(-c2ccc(CN3CCOCC3)cc2)n1)N(c1ccccc1)c1ccccc1
b. O=C(c1ccco1)N(CCC(c1ccccc1)c1ccco1)Cc1ccc(F)cc1
c. COc1ccc(CCNC(=O)CCCCCn2c(SCC(N)=O)nc3cc4c(cc3c2=O)OCO4)cc1OC
d. Cc1cc(C)cc(N(CC(=O)N2CCN(Cc3ccccc3)CC2)S(=O)(=O)c2c(C)noc2C)c1
Answer: a. O=C(Cn1nnc(-c2ccc(CN3CCOCC3)cc2)n1)N(c1ccccc1)c1ccccc1
{#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(Cn1nnc(-c2ccc(CN3CCOCC3)cc2)n1)N(c1ccccc1)c1ccccc1
O=C(Cn1nnc(-c2ccc(CN3CCOCC3)cc2)n1)N(c1ccccc1)c1ccccc1
2-[5-[4-(morpholin-4-ylmethyl)phenyl]tetrazol-2-yl]-N,N-diphenylacetamide