Using Cn1c(=O)c2c(I)cccc2n(C)c1=O, C=CCB1OC(C)(C)C(C)(C)O1 to produce C=CCc1cccc2c1c(=O)n(C)c(=O)n2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.