Using CNc1ccccc1, Cc1cc(NC(=O)NCCN2CCC(C(=O)O)CC2)c2ccccc2n1 to produce Cc1cc(NC(=O)NCCN2CCC(C(=O)N(C)c3ccccc3)CC2)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.