Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=S(=O)(c1ccccc1)N1CCC(N2CCCCCC2)CC1
b: Cc1cccc(N2CCN(C(=O)CCCSc3nc4ccccc4[nH]3)CC2)c1C
c: OC(COc1ccc2c(c1)CCC2)Cn1cnc2ccccc21
d: O=C1NC(=O)N(c2ccccc2F)C(=O)/C1=C/c1ccc(Oc2ccc([N+](=O)[O-])cn2)cc1
Answer: a, b, c, d
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}