Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCn1c2ccccc2c2nnc(SCC(=O)OCN3C(=O)c4ccccc4C3=O)nc21
b) Cc1ccc(C(=O)N/C(=C\c2ccccc2)C(=O)NCc2ccncc2)cc1
c) N#CC1=C(N)OC2=C(CN(Cc3ccccc3)C/C2=C\c2cccnc2)C1c1cccnc1
d) O=C1OCc2cc(NC(=O)C3CCCCC3)ccc21
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}