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 other words.
Options:
a) O=C(CN1C(=O)/C(=C/c2ccc(F)cc2)SC1=S)N1CCN(CCc2ccccn2)CC1
b) CCOC(=O)c1c(N)ssc1=S
c) CCCN1CCC(N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)CC1
d) N#Cc1nc(COc2ccc(F)cc2)oc1NCCCn1ccnc1
Answer: a, 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}