Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCCCCCCCCCCCCCCC[n+]1cccc2ccccc21.[I-]
b. O=C1NCCN1C(=O)c1ccco1
c. COc1cccc2cc(C(=O)CS(=O)(=O)c3ccc(Cl)cc3)c(=O)oc12
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}