Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Fc1ccc(N2CCN(C3=Nc4cccc5cccc3c45)CC2)cc1
b CC[C@@]12C(=O)N(c3cccc(Br)c3)C(=O)N1[C@H](c1ccc(F)cc1)[C@@H]1C(=O)N(C3CCCCC3)C(=O)[C@@H]12
c Cc1oc(-c2cccs2)nc1CS(=O)CC(=O)NC1CCCCCC1
d O=C1c2cc(S(=O)(=O)NCCCO)ccc2-c2ccc(S(=O)(=O)NCCCO)cc21
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}