Using CSC(=NC(=O)OC(C)(C)C)Nc1ccc(CCNC(=O)OC(C)(C)C)cc1, CON to produce CONC(=NC(=O)OC(C)(C)C)Nc1ccc(CCNC(=O)OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.