Using c1ccc(N2CCNCC2)nc1, O=C1Nc2ccccc2CCN1C[C@H]1CC[C@H](C(=O)O)CC1 to produce O=C1Nc2ccccc2CCN1C[C@H]1CC[C@H](C(=O)N2CCN(c3ccccn3)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.