Using CCCCc1nc2ccc(C(C)(C)O)cc2c(=O)n1Cc1ccc(Br)cc1, CI to produce CCCCc1nc2ccc(C(C)(C)OC)cc2c(=O)n1Cc1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.