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 additional words.
Options:
a. O=C(OC1(c2cc3ccccc3c(=O)o2)CCCCC1)c1ccco1
b. COc1ccccc1CCC(=O)OCC(=O)Nc1c(C)nn(-c2ccccc2)c1C
c. O=S(=O)(c1cccs1)N1CCN(c2ccnc3cc(Cl)ccc23)CC1
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}