Using OC1(Cc2ccccc2)CCN(CCOc2ccc(OCc3ccccc3)cc2)CC1 to produce Oc1ccc(OCCN2CCC(O)(Cc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.