Using O=C1NC(=O)C(Cc2c[nH]c3ccccc23)N1, ClCCCN1CCC(c2ccccc2)CC1 to produce O=C1NC(Cc2c[nH]c3ccccc23)C(=O)N1CCCN1CCC(c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.