Task: Answer the MCQ question.
Query: Which compound has a -49.586\% 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 additional words.
Options:
a. Cn1c(=O)c2c(SCC(=O)N3CCCC3)nc(CC(C)(C)C)nc2n(C)c1=O
b. COc1cccc(CNC(=O)CCS(=O)(=O)c2ccc3c(c2)NC(=O)CS3)c1
c. COc1cc(C(=O)NCc2cccnc2)ccc1OCC(=O)Nc1cccc(C(F)(F)F)c1
d. O=C(Nc1ccccc1SCC1CSc2nc3ccccc3c(=O)n21)c1cccc(Cl)c1
Answer: d. O=C(Nc1ccccc1SCC1CSc2nc3ccccc3c(=O)n21)c1cccc(Cl)c1
{#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(Nc1ccccc1SCC1CSc2nc3ccccc3c(=O)n21)c1cccc(Cl)c1
O=C(Nc1ccccc1SCC1CSc2nc3ccccc3c(=O)n21)c1cccc(Cl)c1
3-chloro-N-[2-[(5-oxo-2,3-dihydro-[1,3]thiazolo[2,3-b]quinazolin-3-yl)methylsulfanyl]phenyl]benzamide