Using CC(=O)N(C)C, CCOC(=O)c1ccc(Nc2cc(C(C)C)c3c(c2)C(C)(C)CO3)cc1 to produce CCOC(=O)c1ccc(N(CC)c2cc(C(C)C)c3c(c2)C(C)(C)CO3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.