Using CCOC(=O)c1ccc2cc(C(=O)OCC)[nH]c2n1, CC(C)(CO)CNC(=O)OC(C)(C)C to produce CCOC(=O)c1ccc2cc(C(=O)OCC)n(CC(C)(C)CNC(=O)OC(C)(C)C)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.