Using OC1(c2ccc(CCOC3CCCCO3)cc2)CCN(Cc2ccccc2)CC1 to produce OCCc1ccc(C2(O)CCN(Cc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.