Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 20.156\% 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] COc1ccc(C(C)=O)cc1COc1ccc(Cl)c(C)c1
[b] CCn1c(=O)cc(OCC(=O)NCCCN2CCN(c3cccc(Cl)c3)CC2)c2ccccc21
[c] O=C1NCCCc2c1oc1ccc(O)cc21
[d] COC(=O)CCN(C1CCCCC1)S(=O)(=O)c1ccc(S(=O)(=O)NC2CCCCC2)cc1
Answer: c. O=C1NCCCc2c1oc1ccc(O)cc21
{#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=C1NCCCc2c1oc1ccc(O)cc21
O=C1NCCCc2c1oc1ccc(O)cc21
[O][=C][N][C][C][C][C][=C][Ring1][#Branch1][O][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch2][Ring1][#Branch1]
7-hydroxy-2,3,4,5-tetrahydro-[1]benzofuro[2,3-c]azepin-1-one