Using COc1cc(OC)c2c(=O)nc(-c3cc(C)c(OC(C)=O)c(C)c3)n(C)c2c1 to produce COc1cc(OC)c2c(c1)N(C)C(c1cc(C)c(O)c(C)c1)N=C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.