Using O=C1Cc2cc(C(=O)O)ccc2N1, c1ccc(CN2CCNCC2)cc1 to produce O=C1Cc2cc(C(=O)N3CCN(Cc4ccccc4)CC3)ccc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.