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, or c without using any additional words.
Options:
a.) CCC(C)NC(=O)CN(c1cc(C)ccc1OC)S(C)(=O)=O
b.) Cc1nc2ccccc2c2oc(C(=O)N3CCC(C)CC3)cc12
c.) Cn1c(N2CCC(C(N)=O)CC2)nc2c1c(=O)n(Cc1cccc(Br)c1)c(=O)n2C
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}