Using NC1CCC(=O)NC1=O, NC(=O)CC[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce NC1CCC(=O)N(C(=O)OCc2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.