Task: Answer the MCQ question.
Question: Which drug has a 2.768\% 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] CCCn1c(-c2nonc2N)nc2ccccc21
[b] O=C(/C=C/c1cccs1)c1cc(Cl)ccc1OC(=O)N1CCOCC1
[c] C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)C([C@@H](C)CC)n3cc(C(N)COC(=O)C(F)(F)F)nn3)CC2)nc(N2CCN(C(=O)[C@H](CCCCN)n3cc(C(N)[C@H](C)CC)nn3)CC2)n1.Cl
[d] Cc1ccc(-c2csc(NC(=O)C3CSC4(C)CCC(=O)N34)n2)cc1
Answer: b. O=C(/C=C/c1cccs1)c1cc(Cl)ccc1OC(=O)N1CCOCC1
{#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(/C=C/c1cccs1)c1cc(Cl)ccc1OC(=O)N1CCOCC1
O=C(/C=C/c1cccs1)c1cc(Cl)ccc1OC(=O)N1CCOCC1
[4-chloro-2-[(E)-3-thiophen-2-ylprop-2-enoyl]phenyl] morpholine-4-carboxylate