Using CC(C)(C)OC(=O)N1Cc2n[nH]c(N)c2C1, CC(=O)CC(C)=O to produce Cc1cc(C)n2nc3c(c2n1)CN(C(=O)OC(C)(C)C)C3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.