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 other words.
Options:
a Cc1n[nH]c(C)c1[C@H](C)NC(=O)COc1cc(C(F)(F)F)c2c(-c3ccccc3)nn(C)c2n1
b N#Cc1ccc(OCCCN2CC3CN(CCNS(=O)(=O)c4ccc(F)cc4)CC(C2)O3)cc1
c CCn1c([C@@H](C)NS(=O)(=O)c2ccc(C#N)nc2)nc2cnc(C(F)(F)F)cc21
d Cc1cc2nc(CC3CCNCC3)n(Cc3ccc(Cl)cc3)c2cc1C
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}
1-[(4-chlorophenyl)methyl]-5,6-dimethyl-2-(piperidin-4-ylmethyl)benzimidazole