Using CC(C)(C)OC(=O)N1CCCC(O)C1, Cc1cc2c(N)nccc2cc1O to produce Cc1cc2c(N)nccc2cc1OC1CCCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.