Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COCCCc1cc(CCC(=O)N2CCOCC2)c(Cl)c(CN(C(=O)[C@H]2CNCC[C@@]23OCc2cc(F)c(F)cc23)C2CC2)c1
b: NC1(C(=O)NC(CO)c2ccc(Cl)cc2)CCN(c2ncnc3[nH]ccc23)CC1
c: CC(C)Cc1ccc([C@H](C)C(=O)O)cc1
d: O=C1CN(Cc2ccc(-c3cccc(CN4CCCCC4)n3)cc2)C(=O)N1C1CCC1
Answer: d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
3-cyclobutyl-1-[[4-[6-(piperidin-1-ylmethyl)pyridin-2-yl]phenyl]methyl]imidazolidine-2,4-dione