Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C(Cc1ccc(S(=O)(=O)N2CCOCC2)s1)N1CCN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC1
b) O=S(=O)(NCC(c1cccnc1)N1CCOCC1)c1ccccc1
c) O=C(c1ccccc1)N1CCc2[nH]nc(-c3ccccc3)c2C1
d) CC(C)(C)n1nnnc1CN(Cc1ccc(F)cc1)Cc1ccco1
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}