Using BrCc1ccccc1, OCC1CN1C(c1ccccc1)(c1ccccc1)c1ccccc1 to produce c1ccc(COCC2CN2C(c2ccccc2)(c2ccccc2)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.