Using O=C(O)CCCCCBr, COc1ccc2[nH]c(-n3ccnc3)c(C)c2c1 to produce COc1ccc2c(c1)c(C)cn2CCCCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.