Using Cc1nc(-n2c(C)ccc2C)nc(C)c1OCc1ccccc1, CCCCCCCCCBr to produce CCCCCCCCCCc1nc(-n2c(C)ccc2C)nc(C)c1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.