Using COc1c(F)cc2c(=O)c(C(=O)NCc3ccc(Cl)cc3)cn(COCC[Si](C)(C)C)c2c1F to produce COc1c(F)cc2c(O)c(C(=O)NCc3ccc(Cl)cc3)cnc2c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.