Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CNC(=O)C(=O)NCC1OCCN1S(=O)(=O)c1ccc2c(c1)OCCO2
b. Cc1cc(=O)oc(C)c1C(=O)NCC(C)NC(=O)c1c(C)cc(=O)oc1C
c. O=C(Nc1ccc2ccccc2c1)N1CCCN(CCOc2ccccc2)CC1
d. O=C(CCc1c[nH]c2ccccc12)Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
Answer: c
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}