Using CCOC(=O)c1cnn(-c2cc(C)c(I)cn2)c1C, CC[Si](CC)(CC)C(F)(F)F to produce CCOC(=O)c1cnn(-c2cc(C)c(C(F)(F)F)cn2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.