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 or b without using any other words.
Options:
a.) COc1ccc(C)cc1S(=O)(=O)NCC(c1ccc2c(c1)OCO2)N1CCN(C)CC1
b.) Cc1ccc(C(=O)N(C)CC(=O)Nc2ccc(N3CCOCC3)cc2)s1
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}