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 additional words.
Options:
a.) Cc1cc(C)n2cc(CSc3ccc(Cl)cc3)nc2n1
b.) COc1cc(OC)c(OC)cc1CCC(C)NC(=O)Cc1ccccc1
c.) CCOC(=O)[C@@H]1[C@H]2COc3cc(OC)ccc3[C@@H]2N2C(=O)N(c3ccc(Cl)cc3)C(=O)[C@]12C
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}