Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -50.687\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) O=[N+]([O-])c1nn(-c2ccc3c(c2)OCCO3)n(O)c1=NC1CCCCC1
b.) O=C(c1cccc(C(=O)N2CCC(O)(c3ccccc3)CC2)c1)N1CCC(O)(c2ccccc2)CC1
c.) CC1(C(=O)N(CC(=O)NC2CCCC2)Cc2ccc(Cl)cc2)CC(=O)N=C2C=CC=CN21
d.) CCc1ccc2[nH]c(=O)c(CN(CCN(CC)CC)C(=O)Nc3ccccc3OC)cc2c1
e.) CCc1nnc(NC(=O)CSc2n[nH]c(-c3ccccc3O)n2)s1
Answer: d. CCc1ccc2[nH]c(=O)c(CN(CCN(CC)CC)C(=O)Nc3ccccc3OC)cc2c1
{#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#}
CCc1ccc2[nH]c(=O)c(CN(CCN(CC)CC)C(=O)Nc3ccccc3OC)cc2c1
CCc1ccc2[nH]c(=O)c(CN(CCN(CC)CC)C(=O)Nc3ccccc3OC)cc2c1
1-[2-(diethylamino)ethyl]-1-[(6-ethyl-2-oxo-1H-quinolin-3-yl)methyl]-3-(2-methoxyphenyl)urea