Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) FC(F)Oc1ccccc1NC(=S)Nc1cccc(Cl)c1Cl
(b) COC(=O)C1=C(C)N(Cc2cccnc2)C(=O)/C1=C\c1cccs1
(c) CCOC(=O)N1CCN(C(=O)CN2C(=O)COc3ccc(C(C)(C)C)cc32)CC1
(d) C=CCn1c(SCC(=O)NC2CCCC2)nc2scc(-c3ccco3)c2c1=O
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}