Using O=Cc1ccc2n1-c1ccccc1OC21CCN(Cc2ccccc2)CC1 to produce OCc1ccc2n1-c1ccccc1OC21CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.