Using CC(=O)N1CCN(c2ccc(N3CCC(OC4CCCCC4)CC3)cc2)CC1 to produce c1cc(N2CCC(OC3CCCCC3)CC2)ccc1N1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.