Using NC1CCC(c2ccccc2)CC1, CCOC(=O)C(CC(=O)O)C(C)C to produce CCOC(=O)C(CC(=O)NC1CCC(c2ccccc2)CC1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.