Using O=C(CCCCCn1ccnc1)Nc1ccc(O)cc1, CCOC(=O)C(C)(C)CCCBr to produce CCOC(=O)C(C)(C)CCCOc1ccc(NC(=O)CCCCCn2ccnc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.