Using CC(C)CCN, O=C(O)Cn1cccc(NC(=O)OCc2ccccc2)c1=O to produce CC(C)CCNC(=O)Cn1cccc(NC(=O)OCc2ccccc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.