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 other words.
Options:
(a) Cn1c(N)c(C(=O)COC(=O)CCCOc2ccc(Cl)cc2Cl)c(=O)n(C)c1=O
(b) C=CCn1c2ccccc2c2nnc(SCC(=O)OCN3C(=O)c4ccccc4C3=O)nc21
(c) Cl.O=C(COc1ccc(Cl)cc1)N(c1ccccc1Cl)C1CN2CCC1CC2
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}