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, c, or d without using any additional words.
Options:
(a) Cc1cccc(-n2ncc3c(NCCN4CCOCC4)ncnc32)c1
(b) COc1ccc(-c2csc(NC(=O)CSc3nc4ccccc4c(=O)[nH]3)n2)cc1
(c) O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2c(F)cccc2F)CC1
(d) CCCNC(=O)C1CC(=O)N(c2ccc(OCC)cc2)C1
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}