Using Brc1ccc(OCCN2CCCC2)nc1, COc1ccc2c(c1)CCCC2=O to produce COc1ccc2c(c1)CCCC2(O)c1ccc(OCCN2CCCC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.