Using O=C(Nc1ccccc1)N1CCN(Cc2ccc(O)cc2)CC1, OC1CCCCC1 to produce O=C(Nc1ccccc1)N1CCN(Cc2ccc(OC3CCCCC3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.