Using ClCCl, COc1ccc(CNc2nc(N3CCC4(CC4)C3)ncc2C(=O)NCCN2CCNCC2)cc1Cl to produce COc1ccc(CNc2nc(N3CCC4(CC4)C3)ncc2C(=O)NCCN2CCN(C)CC2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.