Using CC(C)N(CCCl)C(C)C, COc1ccc2c(c1)C(=O)C(=O)N2 to produce COc1ccc2c(c1)C(=O)C(=O)N2CCN(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.