Using ICCCCI, COc1cc(-c2cnc3c(c2)CC(=O)N3COCC[Si](C)(C)C)cc(OC)c1OC to produce COc1cc(-c2cnc3c(c2)C2(CCCC2)C(=O)N3)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.