Using CS(=O)(=O)OC1Cc2ccccc2C1, CCOC(=O)c1ccc(N2CCNCC2)cc1 to produce CCOC(=O)c1ccc(N2CCN(C3Cc4ccccc4C3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.