Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.216\% 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] O=C1C2C3C=CC([C@@H]2C(=O)N1C1CCCCC1)[C@H]1C(=O)N(C2CCCCC2)C(=O)C31
[b] CCOC(=O)c1cnc2ccc(C(=O)OC)cc2c1NCCN1CCOCC1
[c] c1ccc2c(c1)nc(N1CCOCC1)c1ccccc12
[d] CC1CN(C(=O)/C=C/c2ccc3c(c2)OCO3)CC(C)O1
Answer: c. c1ccc2c(c1)nc(N1CCOCC1)c1ccccc12
{#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#}
c1ccc2c(c1)nc(N1CCOCC1)c1ccccc12
c1ccc2c(c1)nc(N1CCOCC1)c1ccccc12
4-phenanthridin-6-ylmorpholine