Using Brc1ccc2c(c1)CN(Cc1ccccc1)C2, O=C1CCOCC1 to produce OC1(c2ccc3c(c2)CN(Cc2ccccc2)C3)CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.