Using CCN(Cc1cc(Br)ccc1O)c1ccc(C(=O)OC)cn1, ClCc1ccncc1 to produce CCN(Cc1cc(Br)ccc1OCc1ccncc1)c1ccc(C(=O)OC)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.