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, or c without using any additional words.
Options:
a. c1ccc(N2CCN(CCCCCCN3CCN(c4ccccc4)CC3)CC2)cc1
b. CCOc1ccc(NS(=O)(=O)c2ccc(C)c(C(=O)N3CCO[C@H](c4ccc(F)cc4)C3)c2)cc1
c. COc1cnc2ccc(=O)n(CCN3CC[C@H](NCc4ccc5c(n4)NC(=O)CO5)[C@H](F)C3)c2c1
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}
1-phenyl-4-[6-(4-phenylpiperazin-1-yl)hexyl]piperazine