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: CC1CCCC(NCC(O)COC(c2ccc(F)cc2)c2ccc(F)cc2)C1C
b: COC(=O)C1=C(C)N(Cc2ccccc2)C(=O)/C1=C\c1ccco1
c: COCCNC(=O)C(c1cccs1)N(C(=O)Cn1nnc2ccccc21)c1ccc(OC)cc1
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}