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 other words.
Options:
(a) Cc1ccc(NC(=O)NNC(=O)c2cc3ccccc3cc2O)c(C)c1
(b) COc1ccc(CN(C2CCCC2)S(=O)(=O)c2ccc(-n3cnnn3)cc2)cc1OC
(c) CCn1c(-c2ccccc2)c(C(=O)COC(=O)C2=NNC(=O)CC2)c2ccccc21
(d) CC(C)Cn1c(SC(C)C(=O)Nc2ccc(N3CCOCC3)cc2)nc2ccccc21
Answer: b
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}