Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COC1COCCC1N[C@@H]1C[C@H]2CCCC[C@@]2(C(=O)N2CCc3ncc(C(F)(F)F)cc3C2)C1
b: C[C@H](NC(=O)C(C#N)=Cc1cccc(Br)n1)c1ccccc1
c: N#Cc1ccc(S(=O)(=O)NCCCN2CC3CN(CCc4ccccc4F)CC(C2)O3)cc1
d: CC(C)Oc1cc(-n2cnc3ccc(N[C@@H](C)c4ccc(F)cn4)nc32)n[nH]1
e: CN1CCN(CCCCN2C(=O)CN(/N=C/c3ccc(-c4ccc(Cl)cc4)o3)C2=O)CC1
Answer: e
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}
1-[(E)-[5-(4-chlorophenyl)furan-2-yl]methylideneamino]-3-[4-(4-methylpiperazin-1-yl)butyl]imidazolidine-2,4-dione