Using c1ccc(C2CCN(c3ccc(N4CCNCC4)cc3)CC2)cc1, CCOC(=O)c1ccc(F)cc1 to produce CCOC(=O)c1ccc(N2CCN(c3ccc(N4CCC(c5ccccc5)CC4)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.