Using Clc1ccncc1, CC(=O)N1CCC(CCC(=O)c2ccc3c(c2)CCN3)CC1 to produce CC(=O)N1CCC(CCC(=O)c2ccc3c(c2)CCN3c2ccncc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.