Using CN(C)C=O, O=C(Nc1nccs1)/C(=C/C1CCOCC1)c1ccc(Br)cc1 to produce O=Cc1cnc(NC(=O)/C(=C/C2CCOCC2)c2ccccc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.