Using O=C(O)c1ccc(N2CCN(c3ccc(C4CCNCC4)cc3)C2=O)cc1 to produce O=C1N(c2ccc(C3CCNCC3)cc2)CCN1[C@H]1CC[C@H](C(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.