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 or b without using any other words.
Options:
a) Nc1ccc(-c2cccs2)cc1NC(=O)c1ccc(N2CCC3(CC2)CNC3=O)nc1
b) Cc1ccc(Cn2c(C3CNCCS3)nc3ccccc32)cc1
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-[1-[(4-methylphenyl)methyl]benzimidazol-2-yl]thiomorpholine