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] COc1ccccc1NC(=O)/C(=C\c1cccnc1)NC(=O)c1ccc(C)cc1
[b] CCCn1nc(NC(=O)C2CCCO2)c2cc3ccc(C)cc3nc21
[c] COc1cc(C)c(Cc2cnc(N)nc2N)cc1OC
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}