Using COc1cccc(C=O)c1, CC(=O)N1CC(=O)N/C(=C\c2ncoc2C(C)(C)C)C1=O to produce COc1cccc(/C=c2\[nH]c(=O)/c(=C/c3ncoc3C(C)(C)C)[nH]c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.