Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. CC(=O)Nc1cccc(C2CCN(Cc3ccc(C(=O)c4nc5ccccc5n4C4CCOCC4)cc3)CC2)c1
b. Cc1nc2ccccc2n1C1CC2CCC(C1)N2CCC1(c2cccc(F)c2)CCN(C(=O)C2(C(=O)O)CCC2)CC1
c. NS(=O)(=O)c1ccc(OCCCCN2CCCC2)cc1
d. Clc1cnc(N2CCC([C@H]3C[C@H]3CCOc3ccc(-n4ccnn4)cn3)CC2)nc1
e. NC1=N[C@@]2(CO1)c1cc(-c3cccnc3F)ccc1Oc1ncc(C3=CCCOC3)cc12
Answer: a
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}
N-[3-[1-[[4-[1-(oxan-4-yl)benzimidazole-2-carbonyl]phenyl]methyl]piperidin-4-yl]phenyl]acetamide