Using O=C(n1ccnc1)n1ccnc1, Cc1cc(Cl)cc(C(=NCCC(=O)O)c2ccc(Cl)cc2)c1O to produce Cc1cc(Cl)cc(C(=NCCC(N)=O)c2ccc(Cl)cc2)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.