Using C1CCNC1, O=C(O)c1ccc(N2CCN(Cc3cnc4c(c3)NC(=O)[C@@H]3CCCN43)CC2)cc1 to produce O=C1Nc2cc(CN3CCN(c4ccc(C(=O)N5CCCC5)cc4)CC3)cnc2N2CCC[C@@H]12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.