Using O=C(O)c1ccccn1, O=C(C[C@]1(c2ccc(Br)s2)CCNCCS1(=O)=O)NOC1CCCCO1 to produce O=C(C[C@]1(c2ccc(Br)s2)CCN(C(=O)c2ccccn2)CCS1(=O)=O)NOC1CCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.