Using O=C(c1ccc(Cl)cc1)c1ccc(OCCCCCCCCBr)cc1O, C=CCNC to produce C=CCN(C)CCCCCCCCOc1ccc(C(=O)c2ccc(Cl)cc2)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.