Using O=C(CCNC(=O)OCc1ccccc1)NC[C@H]1CCCNC1, O=CC1CCCCC1 to produce O=C(CCNC(=O)OCc1ccccc1)NC[C@H]1CCCN(CC2CCCCC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.