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, or c without using any other words.
Options:
a. Nc1ncc(-c2ccc(C(=O)N3CCOCC3)cc2)nc1-c1ccc(C(F)(F)F)cc1
b. COc1nccnc1[C@H](C)C1=C(CCN(C)C)Cc2ccccc21
c. COc1c(N2CCN[C@@H](C)C2)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12
Answer: b
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}
2-[3-[(1R)-1-(3-methoxypyrazin-2-yl)ethyl]-1H-inden-2-yl]-N,N-dimethylethanamine