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 other words.
Options:
a Cc1ccc(NC(=O)c2nnn(-c3cc(C)cc(C)c3)c2N)cc1
b O=C(N/N=C/c1ccc(OCc2cnc(Cl)s2)cc1)c1ccncc1
c O=C(NCC(=O)N1CCN(S(=O)(=O)c2ccccc2)CC1)c1ccc2ccccc2c1
d COc1ccc(OC)c(S(=O)(=O)Nc2ccc(C(N)=O)cc2)c1
Answer: c
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}