Using CCOC(=O)c1nc(C#N)c2c(c(Br)cn2Cc2ccccc2)c1OC(C)=O, NCC(=O)O to produce N#Cc1nc(C(=O)NCC(=O)O)c(O)c2c(Br)cn(Cc3ccccc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.